Toxicology

Stability Hygroscopic
Applications Mycophenolic Acid β-D-Glucuronide Disodium Salt is A metabolite of Mycophenolic Acid (M831500), an antibiotic produced by Penicillium brevi-compactum, P. Stoloniferum and related spp. A selective inhibitor of lymphocyte proliferation by blocking inosine monophosphate dehydrogenase, an enzyme involved in the de novo synthesis of purine nucleotides.
References Senda, M., et al.: Transplantation, 60, 1143 (1995); Nimmesgern, E., et al.: J. Biol. Chem., 271, 19421 (1996); Gummert, J.F., et al.: J. Pharmacol. Exp. Ther., 291, 1100 (1999)

Applications tert-Butyl 3-Cyanomorpholine-4-carboxylate is used as a reactant for the synthesis of HIV integrase inhibitors.
References Gardelli, C., et. al.: J. Med. Chem., 50, 4953 (2007); Pace, P., et. al.: J. Med. Chem., 50, 2225 (2007); Summa, V., et. al.: J. Med. Chem., 49, 6646 (2006)

Applications (2,4-Dichlorophenoxy-d3)acetic Acid (CAS# 202480-67-9) is a useful isotopically labeled research compound.

Applications 2-Methyl-nitrobenzoic acid acts as herbicide due to the anthranilic acid moiety within the substructure.
References Thomas, G.J. et al.: 32, 747 (1984);

Applications 3-trans-Hydroxy Norcotinine (cas# 1292911-83-1) is a compound useful in organic synthesis.

Applications 1-Cyclopropyl-7-fluoro-6,8-dimethoxy-4-quinolone-3-carboxylic Acid Ethyl Ester is an impurity in the synthesis of Moxifloxacin (M745000), a fluorinated quinolone antibacterial.
References Woodcock, J.M., et al.: Antimicrob. Ag. Chemother., 41, 101 (1997), Stass, H., et al.: Antimicrob. Ag. Chemother., 42, 2060 (1998)

Applications 7-Methyltryptophol is a metabolite of Tryptophan (T947200), an essential amino acid.
References Liu, F., et al.: Bioorg. Med. Chem., 18, 4167 (2010), Kumar, R., et al.: Eur. J. Med. Chem., 45, 2265 (2010), Cai, W., et al.: Bioorg. Med. Chem., 18, 1899 (2010),

Applications 5-cis-Tetradecenoyl-d3 Carnitine is labelled 5-cis-Tetradecenoyl Carnitine (T291425) which is one of the metabolites found in the lymph fluid collected from dietary stressed rats.
References Ardawi, M., et al.: Biochem. J., 212, 835 (1983), Otton, R., et al.: J. Endocrinol., 174, 55 (2002), Gu, H., et al.: Anal. Chem., 79, 89 (2007),

Applications Diethyl 2-(methylthio)-4,5-pyrimidinedicarboxylate

Applications Clindamycin 3-Palmitate Hydrochloride, is an impurity in the synthesis of Clindamycin Palmitate Hydrochloride (C580035), a semi-synthetic antibiotic with high bioavailability. Clindamycin Palmitate is an antibacterial.
References Bharathi, Ch. et al.: J. Pharm. Biomed. Anal., 48, 1211 (2008); Platzer, D., et al.: J. Pharm. Biomed. Anal., 41, 84 (2006);

Applications N-(4-(4-(4-(((2R,4S)-2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)phenyl)hydrazinecarboxamide is an intermediate in the synthesis of derivatives of Itraconazole (I937500), an orally active antimycotic and antifungal compound.
References Heeres, J., et al.: J. Med. Chem., 27. 894 (1984);

Impurity Erythromycin EP Impurity B
Applications N-Demethyl Erythromycin A (Erythromycin EP Impurity B) is a metabolite of Erythromycin (E649950).
References Rich, D.H., et al.: J. Med. Chem., 18, 1004 (1975), Itoh, Z,. et al.: Antimicrob. Agents Chemother., 26, 863 (1984), Omura, S., et al.: J. Antibiotics 38, 1631 (1985),

Applications A degradation product of labelled Cefuroxime, and an intermediate for the synthesis of labelled Cephalosporin antibiotics
References Nomura, H., et al.: J. Med. Chem., 17, 12 (1974), Takaya, T., et al.: J. Antibiotics, 34, 1300 (1981), Wang, D., et al.: J. Pharm. Sci., 83, 577 (1994), Okamoto, Y., et al.: J. Pharm. Sci., 85, 985 (1996),

Applications Efavirenz 1-Desamine-1-oxy is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. Antiviral.
References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995)

Applications 3-​Methoxy-​4-​methyl-​1H-​1,​2,​4-​triazol-​5(4H)​-​one Hydrate, is a Triazole (T767410) derivative that was used in microwave synthesis of 1,2,4-triazolone derivatives possessing antifungal activity. 3-​Methoxy-​4-​methyl-​1H-​1,​2,​4-​triazol-​5(4H)​-​one is also a key intermediate for sulfonylurea herbicides, such as flucarbazone.
References Su, J., Shang, Z.: Nongyao, 49, 563 (2010); Sun, N., et al.: BioMed Res. Int., 1 (2015);