Day: September 19, 2022

The pyrimidine ring system has wide occurrence in nature as substituted and ring fused compounds and derivatives, 4595-59-9, formula is C4H3BrN2, Name is 5-Bromopyrimidine. including the nucleotides cytosine, thymine and uracil, thiamine (vitamin B1) and alloxan. Quality Control of 4595-59-9.

Brown, Gregory D.;Batalla, Daniel;Cavallaro, Cullen L.;Perez, Heidi L.;Wrobleski, Stephen T.;Sherwood, Trevor C. research published 《 A compact, practical photoreactor for multi-reaction arrays》, the research content is summarized as follows. The Bristol Myers Squibb Photoreactor (BMS-PR) is a convenient, small-footprint platform that enables routine use of photochem. transformations in a variety of laboratory settings. These photoreactors have been engineered to safely irradiate multiple reaction vessels for array synthesis at various wavelengths and temperatures with a more practical setup than most other com. photoreactors. The BMS-PR integrates seamlessly with standard laboratory equipment and incorporates a variety of attractive safety features. Herein we describe the BMS-PR460 device for irradiation of reactions at 460 nm using blue light-emitting diodes (LEDs) and highlight its application with photochem. reactions that may be useful in the discovery of novel drug mols.

Quality Control of 4595-59-9, 5-Bromopyrimidine is a reactive intermediate that is used in the synthesis of 4-methoxyphenylboronic acid. 5-Bromopyrimidine has been shown to be nucleophilic, reacting with β-amino acids under basic conditions to form the corresponding 2-bromo amide. It also undergoes cross-coupling reactions with halides and can be used as a building block for other organic compounds. 5-Bromopyrimidine has optical properties that are characteristic of aromatic molecules, including strong absorption bands in the ultraviolet region and visible light region.
5-Bromopyrimidine undergoes direct metallation with lithuium diisopropylamide to yield 4-lithio-5-bromopyrimidine., 4595-59-9.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The pyrimidine ring system has wide occurrence in nature as substituted and ring fused compounds and derivatives, 2927-71-1, formula is C4HCl2FN2, Name is 2,4-Dichloro-5-fluoropyrimidine. including the nucleotides cytosine, thymine and uracil, thiamine (vitamin B1) and alloxan. SDS of cas: 2927-71-1.

Bronner, Sarah M.;Merrick, Karl A.;Murray, Jeremy;Salphati, Laurent;Moffat, John G.;Pang, Jodie;Sneeringer, Christopher J.;Dompe, Nicholas;Cyr, Patrick;Purkey, Hans;Boenig, Gladys de Leon;Li, Jun;Kolesnikov, Aleksandr;Larouche-Gauthier, Robin;Lai, Kwong Wah;Shen, Xiaoli;Aubert-Nicol, Samuel;Chen, Yi-Chen;Cheong, Jonathan;Crawford, James J.;Hafner, Marc;Haghshenas, Pouyan;Jakalian, Araz;Leclerc, Jean-Philippe;Lim, Ngiap-Kie;O’Brien, Tom;Plise, Emile G.;Shalan, Hadil;Sturino, Claudio;Wai, John;Xiao, Yang;Yin, Jianping;Zhao, Liang;Gould, Stephen;Olivero, Alan;Heffron, Timothy P. research published 《 Design of a brain-penetrant CDK4/6 inhibitor for glioblastoma》, the research content is summarized as follows. CDK4 and CDK6 are kinases with similar sequences that regulate cell cycle progression and are validated targets in the treatment of cancer. Glioblastoma is characterized by a high frequency of CDKN2A/CCND2/CDK4/CDK6 pathway dysregulation, making dual inhibition of CDK4 and CDK6 an attractive therapeutic approach for this disease. Abemaciclib, ribociclib, and palbociclib are approved CDK4/6 inhibitors for the treatment of HR+/HER2- breast cancer, but these drugs are not expected to show strong activity in brain tumors due to poor blood brain barrier penetration. Herein, we report the identification of a brain-penetrant CDK4/6 inhibitor derived from a literature mol. with low mol. weight and topol. polar surface area (MW = 285 and TPSA = 66 Ų), but lacking the CDK2/1 selectivity profile due to the absence of a basic amine. Removal of a hydrogen bond donor via cyclization of the pyrazole allowed for the introduction of basic and semi-basic amines, while maintaining in many cases efflux ratios reasonable for a CNS program. Ultimately, a basic spiroazetidine (cpK_a = 8.8) was identified that afforded acceptable selectivity over anti-target CDK1 while maintaining brain-penetration in vivo (mouse K_p,uu = 0.20-0.59). To probe the potency and selectivity, our lead compound was evaluated in a panel of glioblastoma cell lines. Potency comparable to abemaciclib was observed in Rb-wild type lines U87MG, DBTRG-05MG, A172, and T98G, while Rb-deficient cell lines SF539 and M059J exhibited a lack of sensitivity.

SDS of cas: 2927-71-1, 2,4-Dichloro-5-fluoropyrimidine is a useful research compound. Its molecular formula is C4HCl2FN2 and its molecular weight is 166.97 g/mol. The purity is usually 95%.
2,4-Dichloro-5-fluoropyrimidine is an aromatic hydrocarbon that has been shown to inhibit the growth of mouse tumor cells in vitro. It also inhibits the production of amines by reacting with industrial chemicals and sodium carbonate. This compound has potent inhibitory activity against autoimmune diseases and cytotoxic potency on mcf-7 cells. Furthermore, 2,4-Dichloro-5-fluoropyrimidine has been shown to have a chlorinating effect on cancer cells., 2927-71-1.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Pyrimidine is a nitrogenous base similar to benzene (a six-membered ring) and includes cytosine, thymine, and uracil as bases used for DNA or RNA. 2927-71-1, formula is C4HCl2FN2, Name is 2,4-Dichloro-5-fluoropyrimidine. Pyrimidine also found in many synthetic compounds such as barbiturates and the HIV drug, zidovudine. Recommanded Product: 2,4-Dichloro-5-fluoropyrimidine.

Boyd, Michael J.;Bandarage, Upul K.;Bennett, Hamilton;Byrn, Randal R.;Davies, Ioana;Gu, Wenxin;Jacobs, Marc;Ledeboer, Mark W.;Ledford, Brian;Leeman, Joshua R.;Perola, Emanuele;Wang, Tiansheng;Bennani, Youssef;Clark, Michael P.;Charifson, Paul S. research published 《 Isosteric replacements of the carboxylic acid of drug candidate VX-787: Effect of charge on antiviral potency and kinase activity of azaindole-based influenza PB2 inhibitors [Erratum to document cited in CA162:570090]》, the research content is summarized as follows. On page 1992, the first paragraph contained inaccurate text describing the activity of the enantiomer of 1; the corrected text is given.

Recommanded Product: 2,4-Dichloro-5-fluoropyrimidine, 2,4-Dichloro-5-fluoropyrimidine is a useful research compound. Its molecular formula is C4HCl2FN2 and its molecular weight is 166.97 g/mol. The purity is usually 95%.
2,4-Dichloro-5-fluoropyrimidine is an aromatic hydrocarbon that has been shown to inhibit the growth of mouse tumor cells in vitro. It also inhibits the production of amines by reacting with industrial chemicals and sodium carbonate. This compound has potent inhibitory activity against autoimmune diseases and cytotoxic potency on mcf-7 cells. Furthermore, 2,4-Dichloro-5-fluoropyrimidine has been shown to have a chlorinating effect on cancer cells., 2927-71-1.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Pyrimidine is a nitrogenous base similar to benzene (a six-membered ring) and includes cytosine, thymine, and uracil as bases used for DNA or RNA. 554-01-8, formula is C5H7N3O, Name is 4-Amino-5-methylpyrimidin-2(1H)-one. Pyrimidine also found in many synthetic compounds such as barbiturates and the HIV drug, zidovudine. Recommanded Product: 4-Amino-5-methylpyrimidin-2(1H)-one.

Boudra, Rafik;Woappi, Yvon;Wang, Diana;Xu, Shuyun;Wells, Michael;Schmults, Chrysalyne D.;Lian, Christine G.;Ramsey, Matthew R. research published 《 Regulation of 5-Hydroxymethylcytosine by TET2 Contributes to Squamous Cell Carcinoma Tumorigenesis》, the research content is summarized as follows. DNA methylation is a key regulatory event controlling a variety of physiol. processes and can have dramatic effects on gene transcription. Methylated cytosine (5-methylcytosine) can be oxidized by the TET family of enzymes to 5-hydroxymethylcytosine (5-hmC), a key intermediate in the demethylation cycle, and 5-hmC levels are reduced in malignancies such as acute myeloid leukemia and melanoma. We constructed a tissue microarray of human cutaneous squamous cell carcinoma tumors and found a global reduction in 5-hmC levels compared with that in the adjacent skin. Using a murine K14-CreER system, we have found that loss of Tet2 promotes carcinogen-induced squamous cell carcinoma and cooperates with loss of Tp53 to drive spontaneous squamous cell carcinoma tumors in epithelial tissues. Anal. of changes in 5-hmC and gene expression after loss of Tet2 in the epidermis revealed focal alterations in 5-hmC levels and an increase in hair follicle transient amplifying cell genes along with a reduction in epidermal differentiation genes. These results show a role for TET2 in epidermal lineage specification, consistent with reported roles for TET enzymes in controlling lineage commitment in hematopoietic stem cells and embryonic stem cells and establishing TET2 as a bone fide tumor suppressor in squamous cell carcinoma.

554-01-8, 5-Methylcytosine is a methylated form of the nucleobase cytosine occurring predominantly in cytosine-phosphate-guanine (CpG) islands that are produced by DNA methyltransferases and may regulate gene expression. Like cytosine, the DNA sequence containing 5-methylcytosine (5-mC) is able to be replicated without error and 5-mC can pair with guanine in double stranded DNA. However, DNA sequences containing a high local concentration of 5-mC may be less transcriptionally active than areas with higher ratios of unmodified cytosine.
5-Methylcytosine belongs to the class of organic compounds known as hydroxypyrimidines. These are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. 5-Methylcytosine exists as a solid, slightly soluble (in water), and a very weakly acidic compound (based on its pKa). Within the cell, 5-methylcytosine is primarily located in the cytoplasm. 5-Methylcytosine can be biosynthesized from cytosine. Outside of the human body, 5-methylcytosine can be found in tea. This makes 5-methylcytosine a potential biomarker for the consumption of this food product.
5-methylcytosine is a pyrimidine that is a derivative of cytosine, having a methyl group at the 5-position. It has a role as a human metabolite. It is a member of pyrimidines and a methylcytosine. It derives from a cytosine.
5-Methylcytosine is a nucleic acid that is found in the DNA and RNA of the cell. It is an important component of methylation, which is the process by which a methyl group is added to a molecule. This process can lead to cellular transformation, a process that can cause cancer. 5-Methylcytosine has also been shown as a molecular pathogenesis factor in infectious diseases such as HIV and herpes simplex virus type 1. The presence of 5-methylcytosine in nuclear DNA has been detected by analytical techniques such as gas chromatography/mass spectrometry (GC/MS). There are many analytical methods, including GC/MS, that can be used to detect 5-methylcytosine in cellular nuclei., Recommanded Product: 4-Amino-5-methylpyrimidin-2(1H)-one

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The systematic study of pyrimidines began in 1884 with Pinner, who synthesized derivatives by condensing ethyl acetoacetate with amidines. Pinner first proposed the name “pyrimidin” in 1885. 1722-12-9, formula is C4H3ClN2, Name is 2-Chloropyrimidine. The parent compound was first prepared by Gabriel and Colman in 1900, by conversion of barbituric acid to 2,4,6-trichloropyrimidine followed by reduction using zinc dust in hot water. Recommanded Product: 2-Chloropyrimidine.

Bortolami, Martina;Pandolfi, Fabiana;De Vita, Daniela;Carafa, Camilla;Messore, Antonella;Di Santo, Roberto;Feroci, Marta;Costi, Roberta;Chiarotto, Isabella;Bagetta, Donatella;Alcaro, Stefano;Colone, Marisa;Stringaro, Annarita;Scipione, Luigi research published 《 New deferiprone derivatives as multi-functional cholinesterase inhibitors: design, synthesis and in vitro evaluation》, the research content is summarized as follows. A series of deferiprone derivatives has been synthesized and evaluated in vitro with the hypothesis that they can restore the cholinergic tone and attenuate the dyshomeostasis of the metals mainly involved in the pathol. These compounds were designed as dual binding site AChE inhibitors: they possess an arylalkylamine moiety connected via an alkyl chain to a 3-hydroxy-4-pyridone fragment, to allow the simultaneous interaction with catalytic active site (CAS) and peripheral anionic site (PAS) of the enzyme. Deferiprone moiety and 2-aminopyridine, 2-aminopyrimidine or 2,4-diaminopyrimidine groups have been incorporated into these compounds, in order to obtain mols. potentially able to chelate bio-metals colocalized in Aβ plaques and involved in the generation of radical species. The compounds were tested by enzymic inhibition studies towards EeAChE and eqBChE using Ellman’s method. The most potent EeAChE inhibitor is compound I, with a K_i of 788 +/- 51 nM, while the most potent eqBChE inhibitors are compounds II and III, with K_i values of 182 +/- 18 nM and 258 +/- 25 nM resp. Among the most potent cholinesterases inhibitors, few compounds were able to form complex with iron and in some cases with copper and zinc. Moreover, these compounds were characterized by low toxicity on U-87 MG Cell Line from human brain (glioblastoma astrocytoma).

Recommanded Product: 2-Chloropyrimidine, 2-Chloropyrimidine is a monochlorinated pyrimidine with plant growth regulating activity. Chloropyrimidine is a useful reagent in the preparation of antivirals and other biologically active compounds.
2-Chloropyrimidine undergoes cobalt-catalyzed cross-coupling reaction with aryl halides.
2-Chloropyrimidine is a molecule that can be synthesized by the oxidation of pyrimidine with hydrogen peroxide and hydrochloric acid. The reaction proceeds through an electrochemical process in which the oxidation catalyst is a platinum electrode. This reaction is catalyzed by the nucleophilic attack of malonic acid on the chloropyrimidine at the methylene group. This efficient method for making 2-chloropyrimidine has been applied to synthesize aryl halides, including phenyl chloropyrimidine and pyridyl chloropyrimidine, from their corresponding chloride and bromide precursors. The fluorescence properties of 2-chloropyrimidine have been studied in coordination chemistry, where it forms complexes with metal ions such as Mn2+. In this study, it was found that adsorption mechanisms are dependent on molecular size, charge density, kinetic energy, and adsorbent surface area., 1722-12-9.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. 1722-12-9, formula is C4H3ClN2, Name is 2-Chloropyrimidine. In nucleic acids, three types of nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U). Reference of 1722-12-9.

Bortolami, Martina;Pandolfi, Fabiana;Tudino, Valeria;Messore, Antonella;Madia, Valentina Noemi;De Vita, Daniela;Di Santo, Roberto;Costi, Roberta;Romeo, Isabella;Alcaro, Stefano;Colone, Marisa;Stringaro, Annarita;Espargaro, Alba;Sabate, Raimon;Scipione, Luigi research published 《 New Pyrimidine and Pyridine Derivatives as Multitarget Cholinesterase Inhibitors: Design, Synthesis, and In Vitro and In Cellulo Evaluation》, the research content is summarized as follows. A new series of pyrimidine and pyridine diamines was designed as dual binding site inhibitors of cholinesterases (ChEs), characterized by two small aromatic moieties separated by a diaminoalkyl flexible linker. Many compounds are mixed or uncompetitive acetylcholinesterase (AChE) and/or butyrylcholinesterase (BChE) nanomolar inhibitors, with compound 9 being the most active on Electrophorus electricus AChE (EeAChE) (K_i = 0.312μM) and compound 22 on equine BChE (eqBChE) (K_i = 0.099μM). Mol. docking and mol. dynamic studies confirmed the interaction mode of our compounds with the enzymic active site. UV-vis spectroscopic studies showed that these compounds can form complexes with Cu²⁺ and Fe³⁺ and that compounds I, II, and III have antioxidant properties. Interestingly, some compounds were also able to reduce Aβ₄₂ and tau aggregation, with compound IV being the most potent (22.3 and 17.0% inhibition at 100μM on Aβ₄₂ and tau, resp.). Moreover, the most active compounds showed low cytotoxicity on a human brain cell line and they were predicted as BBB-permeable.

1722-12-9, 2-Chloropyrimidine is a monochlorinated pyrimidine with plant growth regulating activity. Chloropyrimidine is a useful reagent in the preparation of antivirals and other biologically active compounds.
2-Chloropyrimidine undergoes cobalt-catalyzed cross-coupling reaction with aryl halides.
2-Chloropyrimidine is a molecule that can be synthesized by the oxidation of pyrimidine with hydrogen peroxide and hydrochloric acid. The reaction proceeds through an electrochemical process in which the oxidation catalyst is a platinum electrode. This reaction is catalyzed by the nucleophilic attack of malonic acid on the chloropyrimidine at the methylene group. This efficient method for making 2-chloropyrimidine has been applied to synthesize aryl halides, including phenyl chloropyrimidine and pyridyl chloropyrimidine, from their corresponding chloride and bromide precursors. The fluorescence properties of 2-chloropyrimidine have been studied in coordination chemistry, where it forms complexes with metal ions such as Mn2+. In this study, it was found that adsorption mechanisms are dependent on molecular size, charge density, kinetic energy, and adsorbent surface area., Reference of 1722-12-9

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The systematic study of pyrimidines began in 1884 with Pinner, who synthesized derivatives by condensing ethyl acetoacetate with amidines. Pinner first proposed the name “pyrimidin” in 1885. 4595-59-9, formula is C4H3BrN2, Name is 5-Bromopyrimidine. The parent compound was first prepared by Gabriel and Colman in 1900, by conversion of barbituric acid to 2,4,6-trichloropyrimidine followed by reduction using zinc dust in hot water. Synthetic Route of 4595-59-9.

Borlinghaus, Niginia;Kaschel, Johannes;Klee, Johanna;Haller, Vanessa;Schetterl, Jasmin;Heitz, Stephanie;Lindner, Tanja;Dietrich, Justin D.;Braje, Wilfried M.;Jolit, Anais research published 《 Reagent and Catalyst Capsules: A Chemical Delivery System for Reaction Screening and Parallel Synthesis》, the research content is summarized as follows. Com. available hydroxypropyl methylcellulose capsules are employed as a fast, safe, and user-friendly chem. delivery system containing all reagents (catalyst, ligand, and base) for three important transition-metal-catalyzed reactions: Buchwald-Hartwig, Suzuki-Miyaura, and metallophotoredox C-N cross-coupling reactions. This encapsulation methodol. simplifies the screening of reaction conditions and the preparation of compound libraries using parallel synthesis in organic solvents or aqueous media. These reagents-containing HPMC capsules are easy to prepare, come in different sizes, and can be stored on the bench under noninert conditions.

Synthetic Route of 4595-59-9, 5-Bromopyrimidine is a reactive intermediate that is used in the synthesis of 4-methoxyphenylboronic acid. 5-Bromopyrimidine has been shown to be nucleophilic, reacting with β-amino acids under basic conditions to form the corresponding 2-bromo amide. It also undergoes cross-coupling reactions with halides and can be used as a building block for other organic compounds. 5-Bromopyrimidine has optical properties that are characteristic of aromatic molecules, including strong absorption bands in the ultraviolet region and visible light region.
5-Bromopyrimidine undergoes direct metallation with lithuium diisopropylamide to yield 4-lithio-5-bromopyrimidine., 4595-59-9.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The systematic study of pyrimidines began in 1884 with Pinner, who synthesized derivatives by condensing ethyl acetoacetate with amidines. Pinner first proposed the name “pyrimidin” in 1885. 1722-12-9, formula is C4H3ClN2, Name is 2-Chloropyrimidine. The parent compound was first prepared by Gabriel and Colman in 1900, by conversion of barbituric acid to 2,4,6-trichloropyrimidine followed by reduction using zinc dust in hot water. Application In Synthesis of 1722-12-9.

Boelke, Andreas;Sadat, Soleicha;Lork, Enno;Nachtsheim, Boris J. research published 《 Pseudocyclic bis-N-heterocycle-stabilized iodanes – synthesis, characterization and applications》, the research content is summarized as follows. Bis-N-heterocycle-stabilized λ³-iodanes (BNHIs) based on azoles e.g., I are introduced as novel structural motifs in hypervalent iodine chem. A performance test in a variety of benchmark reactions including sulfoxidations and phenol dearomatizations revealed a bis-N-bound pyrazole substituted BNHI e.g., I as the most reactive derivative Its solid-state structure was characterized via X-ray anal. implying strong intramol. interactions between the pyrazole nitrogen atoms and the hypervalent iodine center.

Application In Synthesis of 1722-12-9, 2-Chloropyrimidine is a monochlorinated pyrimidine with plant growth regulating activity. Chloropyrimidine is a useful reagent in the preparation of antivirals and other biologically active compounds.
2-Chloropyrimidine undergoes cobalt-catalyzed cross-coupling reaction with aryl halides.
2-Chloropyrimidine is a molecule that can be synthesized by the oxidation of pyrimidine with hydrogen peroxide and hydrochloric acid. The reaction proceeds through an electrochemical process in which the oxidation catalyst is a platinum electrode. This reaction is catalyzed by the nucleophilic attack of malonic acid on the chloropyrimidine at the methylene group. This efficient method for making 2-chloropyrimidine has been applied to synthesize aryl halides, including phenyl chloropyrimidine and pyridyl chloropyrimidine, from their corresponding chloride and bromide precursors. The fluorescence properties of 2-chloropyrimidine have been studied in coordination chemistry, where it forms complexes with metal ions such as Mn2+. In this study, it was found that adsorption mechanisms are dependent on molecular size, charge density, kinetic energy, and adsorbent surface area., 1722-12-9.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. 65-86-1, formula is C5H4N2O4, Name is 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid. In nucleic acids, three types of nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U). Computed Properties of 65-86-1.

Bobbo, T.;Meoni, G.;Niero, G.;Tenori, L.;Luchinat, C.;Cassandro, M.;Penasa, M. research published 《 Nuclear magnetic resonance spectroscopy to investigate the association between milk metabolites and udder quarter health status in dairy cows》, the research content is summarized as follows. NMR spectroscopy was applied to investigate the association between milk metabolome and udder quarter health status in dairy cows. Mammary gland health status was defined by combining information provided by traditional somatic cell count (SCC) and differential SCC (DSCC), which expresses the percentage of neutrophils and lymphocytes over total SCC. Quarter milk samples were collected in triplicate (d 1 to 3) from 10 Simmental cows, 5 defined as cases and 5 defined as controls according to SCC levels at d 0. A total of 120 samples were collected and analyzed for bacteriol., milk composition, SCC, DSCC, and milk metabolome. Bacteriol. anal. revealed the presence of mostly coagulase-neg. staphylococci in quarter milk samples of cows defined as cases. NMR spectra of all quarter samples were first analyzed using the unsupervised multivariate approach principal component anal., which revealed a specific metabolomic fingerprint of each cow. Then, the supervised cross-validated orthogonal projections to latent structures discriminant anal. unquestionably showed that each cow could be very well identified according to its milk metabolomic fingerprint (accuracy = 95.8%). The comparison of 12 different models, built on bucketed 1-dimensional NOESY spectra (noesygppr1d, Bruker BioSpin) using different SCC and DSCC thresholds, corroborated the assumption of improved udder health status classification ability by joining information provided by both SCC and DSCC. Univariate anal. performed on the 34 quantitated metabolites revealed lower levels of riboflavin, galactose, galactose-1-phosphate, dimethylsulfone, carnitine, hippurate, orotate, lecithin, succinate, glucose, and lactose, and greater levels of lactate, phenylalanine, choline, acetate, O-acetylcarnitine, 2-oxoglutarate, and valine, in milk samples with high somatic cells. In the 5 cases, results of the udder quarter with the highest SCC compared with its sym. relative were in line with quarter-level findings. Our study suggests that increased SCC is associated with changes in milk metabolite fingerprint and highlights the potential use of different metabolites as novel indicators of udder health status and milk quality.

Computed Properties of 65-86-1, Orotic acid anhydrous is a hydrogen bonding interaction that can be found in biological systems. It plays a role in the physiological effects of orotic acid, which is a metabolite of uridine and an intermediate in the synthesis of pyrimidine nucleotides. Orotic acid has antimicrobial properties and has been shown to inhibit enzyme activities involved in energy metabolism, such as polymerase chain reaction (PCR) and adenosine triphosphate (ATP) synthase. Orotic acid also inhibits the growth of bacteria, fungi, and parasites. Orotic acid anhydrous is used for treating myocardial infarcts or brain functions. The untreated group was given no treatment at all.
Orotic acid, also known as orotate or orotsaeure, belongs to the class of organic compounds known as pyrimidinecarboxylic acids. These are pyrimidines with a structure containing a carboxyl group attached to the pyrimidine ring. Orotic acid exists as a solid, slightly soluble (in water), and a moderately acidic compound (based on its pKa). Orotic acid has been found in human liver and pancreas tissues, and has also been primarily detected in saliva, feces, urine, and blood. Within the cell, orotic acid is primarily located in the cytoplasm and mitochondria. Orotic acid exists in all eukaryotes, ranging from yeast to humans. Orotic acid participates in a number of enzymatic reactions. In particular, Orotic acid can be biosynthesized from L-dihydroorotic acid and quinone; which is mediated by the enzyme dihydroorotate dehydrogenase (quinone), mitochondrial. In addition, Orotic acid and phosphoribosyl pyrophosphate can be converted into orotidylic acid through its interaction with the enzyme uridine monophosphate synthetase isoform a. In humans, orotic acid is involved in the pyrimidine metabolism pathway. Orotic acid is also involved in several metabolic disorders, some of which include the mngie (mitochondrial neurogastrointestinal encephalopathy) pathway, dihydropyrimidinase deficiency, UMP synthase deficiency (orotic aciduria), and Beta ureidopropionase deficiency. Outside of the human body, orotic acid can be found in a number of food items such as green vegetables, alaska blueberry, chickpea, and colorado pinyon. This makes orotic acid a potential biomarker for the consumption of these food products. Orotic acid is a potentially toxic compound. Orotic acid has been found to be associated with several diseases known as phosphoenolpyruvate carboxykinase deficiency 1, cytosolic and hyperornithinemia-hyperammonemia-homocitrullinuria; orotic acid has also been linked to several inborn metabolic disorders including n-acetylglutamate synthetase deficiency, lysinuric protein intolerance, and ornithine transcarbamylase deficiency.
Orotic acid appears as white crystals or crystalline powder.
Orotic acid is a pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. It has a role as a metabolite, an Escherichia coli metabolite and a mouse metabolite. It derives from a uracil. It is a conjugate acid of an orotate., 65-86-1.

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia