Amino Acids (AA)

Applications 2-Methyl-Pentanoic acid is a useful building block for organic synthesis.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications A red azoic dye. Dyes and metabolites, Environmental Testing
References Hoover, K., et al.: Chem. Res. Toxicol., 18, 1497 (2005), Altenburger, R., et al.: Environ. Toxicol. Chem., 24, 324 (2005), Gonzalez, M., et al.: Bioorg. Med. Chem., 13, 1775 (2005),

Applications 2-Methylbutane is a useful synthetic intermediate. It was used in the synthesis of β-chiral sulfonamides.
E3
References Chuprakov, S., et al.: J. Am. Chem. Soc., 133, 10352 (2011);

Applications 2-Hydroxy-5-methylpyridine (cas# 1003-68-5) is a useful compound for organic synthesis. In particular it has been used for the diastereoselective preparation of cyclobutane-fused pyridinyl sulfonyl fluorides.
References Liu, J., et al.: Org. Biomol. Chem., 18, 4019 (2020)

Applications L-Aspartic Acid is a non-essential amino acid found in food sources. L-Aspartic Acid is one of the 20 proteinogenic amino acids; the building blocks of proteins. Its conjugate base L-aspartate is an excitatory neurotransmitter in the central nervous system.
References Ager, D.J. et al.: J. Mol. Catal. Enzym., 11, 199 (2001); Velisek, J. et al.: Cze. J. Food. Sci., 24, 1 (2006); Nagahama, M. et al.: Cell Tiss. Res., 318, 483 (2004);

Applications Threonine derivative used in the synthesis of peptide.
References Dekker, C.A., et al.: J. Biol. Chem., 180, 155 (1949),

Applications 2-Chloro-1-methylquinolinium tetrafluoroborate (cas# 16843-24-6) is a useful research chemical.

Applications 8-Bromo-3,9-dihydro-3-methyl-1H-purine-2,6-dione, is a substituted derivative of Xanthine (X499950), found in animal organs, yeast, potatoes, coffee beans, tea. It can also be used for the synthesis of Linagliptin (L465900), which is a novel potent and selective dipeptidyl peptidase-4 (DPP-4) inhibitor with potential use in the treatment of type 2 diabetes.
References Mueller, C. et. al: Handbook Exp. Pharmacol. 200,151(2011); Prabavathy, N. et al.: Int. J. Pharm. Bio. Sci., 2, 438 (2011); Deacon, C.F.: Diab. Obes. Metab., 13, 7 (2011); Mtthias E., et. al: J. Med. Chem., 50, 6450 (2007);

Impurity Ranitidine EP Impurity H
Applications N-Methylnitroacetamide (Ranitidine EP Impurity H) is a degradation product of Ranitidine (R120000).
References Sharma, N. et al.: Sci. Pharmac., 79, 309 (2011); Haywood, P.A. et al.: J. Chem. Soc., 5, 951 (1987);

Applications 2-Hydroxy-3-methylbutyric Acid is a α-hydroxylated butyric acid derivative used as a marker in chemical diagnosis of organic aciduria and other inborn errors. 2-Hydroxy-3-methylbutyric Acid is also used as a metabolomic biomarkers in preeclampsia.
References Nakagawa, K. et al.: J. Chrom. B Anal. Technol. Biomed. Life Sci., 878, 942 (2010); Kenny, L.C. et al.: Reprod. Sci., 15, 591 (2008); Garcia, A. et al.: Clin. Chem., 44, 1905 (1999);

Applications 7-Methoxy-3,4-dihydro-1-naphthalenyl-acetonitrile (cas# 861960-34-1) is a compound useful in organic synthesis.

Applications 5-Isopropyl-3-methylphenol is a derivative of Carvacrol (C184600); a major phenolic component of oregano oil and a novel inhibitor of the Mycobacterium tuberculosis (MTB) chorismate mutase (CM) enzyme.
References Alokam, R., et al.: J. Enzym. Inhib. Med. Chem., 29, 547 (2014)

Applications Labelled 2-Methylbutyrylglycine (M294340). 2-Methylbutyrylglycine is one of the acylglycines, an important class of metabolites that have been used in the diagnosis of several inborn errors of metabolism (IEM).
References Costa, C., et al.: J. Pharmaceut. Biomed. Anal., 21, 1215 (2000), Garcia-Villoria, J., et al.: Clin. Biochem., 42, 2 (2009), Scalbert, A., et al.: Metabolomics, 5, 435 (2009),

Applications rel-(4R,5R)-5-(4-Chlorophenyl)-4-methyl-2-thiazolidinone is a useful building block and has been used in the synthesis of hexythiazox (H298500).
References Lou, J.; et al.: Nongyao, 47, 328 (2008).

Applications 5-amino-2-methyl-benzenesulfonamide (cas# 6973-09-7) is a useful research chemical.

Applications It is a versatile industrial solvent. NMP is currently approved for use only in veterinary pharmaceuticals. The determination of the disposition and metabolism of NMP in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts.
References Southwell, D., et al.: J. Pharm. Pharmacol., 33, 3 (1981), Barry, W., et al.: J. Invest. Dermatol., 82, 49 (1984),

Stability Hygroscopic
Applications 2-(N-Methyl-2-pyrrolidinyl)ethyl Chloride is an intermediate used in the synthesis of reversed lactam analogues of ARC-111 with potent topoisomerase I-targeting activity and cytotoxcity.
References Zhu, S.J., et al.: Bioorg. Med. Chem., 14, 3131 (2006); Tanaka, N., et al.: Chem. Pharma. Bull., 48, 245 (2000);

Applications 2-Bromo-4'-methylpropiophenone (cas# 1451-82-7) is a compound useful in organic synthesis.

Stability Volatile
Applications 2-Chloro-2-Methylpentane (cas# 4325-48-8) is a useful research chemical.

Applications 4-Chloromethyl-5-methyl-1,3-dioxol-2-one is an important reagent in the preparation of angiotensin II receptor antagonist such as Olmesratan Medoxomil (O550000). 4-Chloromethyl-5-methyl-1,3-dioxol-2-one is also used in the preparation of prodrugs of ampicillin.
References Ikeda, S. et al.: Chem. Pharmac. Bull., 32, 4316 (1984); Wu, T. Yaox. Xueb., 41, 537 (2006);

Applications Isopropyl 2-bromo-2-methylpropanoate (cas# 51368-55-9) is a useful research chemical.

Stability Temperature Sensitive
Applications Precursor of Diazomethane. It has a cytotoxicity effect.This product contains an undetermined amount of water.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Huggins, C., et al.: J. Exp. Med., 131, 321 (1970), Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975),

Applications Used in the methods of detecting nitrotyrosine and aminotyrosine residues of peptides and proteins. Also used in the studies on the separation and photometric determination of antiepileptics.
References Quednow, B., et al.: Pharmazie, 34, 724 (1979),

Applications 2-Methyl-pyrazine is an intermediate used to synthesize 5-Methyl-2(1H)-pyrazinone (M324900) which is a derivative of 2-Hydroxypyrazine (H952710). 2-Hydroxypyrazine (H952710) is used in the synthesis of potential antioxidants.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Shi, J. et al.: J. Phys. Org. Chem., 22, 1038 (2009); Bonde, C. et al.: Ind. J. Hetero. Chem., 10, 271 (2001);

Applications Labelled L-Ornithine. A non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.
References Fattori, D. et al.: J. Med. Chem., 50, 550 (2007); Gomez-Alonso, S. et al.: J. Agric. Food Chem., 55, 608 (2007); Subramaniam, R. et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008);

Applications D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on β-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces.
References Li, Ji. et al.: Chin. Chem. Lett., 23, 647 (2012); Xu, H. et al.: Water Res., 45, 5796 (2011); Ke, W. et al.: Antimicrob. Agents Chemother., 55, 174 (2011);

Stability Moisture Sensitive
Applications 1-Acetate 4-Methanesulfonate 1,4-Butanediol is used in the facile cleavage of ethers. A Busulfan Impurity
References Mazur, Y., et al.: J. Org. Chem., 36, 532 (1971);