Miscellaneous Organic Molecules with Isotopical Substitutions

Stability Very Hygroscopic Applications DL-Lactic Acid-13C2 Sodium Salt is the isotope labelled sodium salt of DL-Lactic Acid. DL-Lactic Acid occurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. References He, W. et al.: Comp. Biochem. Phys. Part A: Mol. Int. Phys., 166, 308 (2013); Borsook, et al.: J. Biol. Chem., 102, 449 (1933); Brin, M., et al.: Ann. N.Y. Acad. Sci., 119, 851 (1965);

Applications 4-Chlorophenol-d4 is labelled 4-Chlorophenol (C375040) which is a halogenated phenol derivative and the building block of various pharmaceutical goods. 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 Strempel, S., et al.: Environ. Toxicol. Chem., 32, 1187 (2013); Arif, N.M., et al.: J. Basic. Microbiol., 53, 9 (2013);

Applications Bisphenol AP-13C6 is the isotope labelled analog of Bisphenol AP. Bisphenol AP is used to prepare triphenylmethane derivatives as inhibitors of hepatitis C virus helicase. It is a derivative of Bisphenol A (B519495) which is a monomer used for policarbonate and epoxy resins. References Chen, C., et al.: J. Med. Chem., 52, 2716 (2009); Krishnan, A.V., et al.: Endocrinology, 132, 2279 (1993); Steinmetz, R., et al.: Trends Endocrinol. Metab., 9, 124 (1998); Petersen, H., et al.: Eur. Food Res. Technol., 216, 355 (2003)

Applications The main labelled metabolite of o-xylene. References Gregus, Z., et al.: Drug Metab. Dispos., 26, 1082 (1998), Gregus, Z., et al.: Xenobiotica, 29, 547 (1999), Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),

Stability Hygroscopic Applications Lamivudine-13C1,d2, is the labeled analogue of Lamivudine (L172502). A reverse transcriptase inhibitor. Antiviral. References Morris, D.M., J. Pharm. Biomed. Anal., 12, 255 (1944), Nevens, B.F., et al.: Gastroenterology, 113, 1258 (1997), Perry, C.M., et al.: Drugs, 53, 657 (1977),

Applications 6-Mercaptopurine Hydrochloride-13C,15N2, is the labeled analogue of 6-Mercaptopurine (M225450), an immunosuppressive drug used to treat leukemia. It is also used for pediatric non-Hodgkin’s lymphoma, polycythemia vera, and psoriatic arthritis. 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 Zeng, H., et al.: Biochem. Pharmacol., 68, 911 (2004),

Applications Varenicline-d2,15N2 Dihydrochloride, is the labelled dihydrochloride salt of Varenicline (V098492), a nicotinic α4β2 acetylcholine receptor partial agonist. Aids in smoking cessation. References Benowitz, N., et al.: Clin. Pharmacol. Ther., 44, 23 (1988), Cohen, C., et al.: J. Pharmacol. Exp. Ther., 306, 407 (2003), Tapper, A., et al.: Science, 306, 1029 (2004), Coe, J., et al.: J. Med. Chem., 48, 3474 (2005), Obach, R., et al.: Drug Metab. Disp., 34, 121 (2006),

Applications L-Threonine-2,3-d2 (CAS# 1202936-45-5) is a useful isotopically labeled research compound.

Applications Used as an antidiarrheal. 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 Stokbroekx, et al.: J. Med. Chem., 1, 782 (1973), Carter, J.E., et al.: Anal. Profiles Drug Subs., 19, 341 (1990),

Applications L-Lysine-2,6,6-d3 HCl is a useful isotopically labeled compound of L-Lysine HydrochlorideDISCONTINUED PLEASE SEE L486915 (L468923)

Stability Hygroscopic Applications A mixture of 2 labelled metabolites of Styrene. References Ryan, A., et al.: Drug Metab. Dispos., 5, 363 (1977), Delbressine, L., et al.: Xenobiotica, 11, 589 (1981), Truchon, G., et al.: J. Anal. Toxicol., 14, 227 (1990),

Applications Ropinirole-d4 Hydrochloride is deuterium labelled Ropinirole (R641000), an antiparkinsonian agent and a selective dopamine D2-receptor agonist. 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 (1) Eden, R.J., et al.: Pharmacol. Biochem. Behav., 38, 147 (1991) (2) Rascol, O., et al.: Mov. Disord., 13, 39 (1998)

Applications 4-Methoxybenzyl-d2 alcohol is deuterium labelled 4-methoxybenzyl alcohol (M261060), which is used in the preparation of semiconductors, nanosheets, nanocrystals, and quinolines. References Zhang, Y. et al.: ACS Nano., 5, 7246 (2011); Verziu, M. et al.: Green Chem., 10, 373 (2008); Wang, S. et al.: Org. Lett., 15, 2628 (2013)

Applications It is one of the main labelled metabolite of Stanozolol (S684500), an internal standard in doping analysis. References Chung, B., et al.: J. Anal. Toxicol., 14, 91 (1990), Schanzer, W., et al.: J. Steroid Biochem., 36, 153 (1990), Phillis, B., et al.: Eur. J. Pharmacol., 398, 263 (2000),

Applications Deuterium labelled analog of (±)-α-Bisabolol, which is found in a variety of beauty and skin care products, including compositions for skin lightening cosmetic creams, color change cosmetic compositions for makeup fused with antioxidant function and oil-to-gel makeup removing compositions. 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 Ma, P. et al.: Faming Zhuanli Shenqing 11pp. Patent 2017 CODEN:CNXXEV; Son, T.; et al.: Repub. Korean Kongkae Taeho Kongbo 14pp.; Chemical Indexing Equivalent to 167:543596 (WO) Patent 2017 CODEN:KRXXA7; Lin, X.; et al.; Faming Zhuanli Shenqing 8pp. Patent 2017 CODEN:CNXXEV

Applications Labelled Fenvalerate (F279450). An insecticide, used to control insects from food crops, animal feed and cotton products. 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 Sharma, R., et al.: Environ. Ecol., 27, 1481 (2009), Choudhary, S., et al.: J. Industrial Poll. Cont., 25, 145 (2009), Tang, J., et al.: Pest Man. Sci., 66, 121 (2010), Ai, G., et al.: J. Agric. Food Chem., 58, 694 (2010),

Stability Hygroscopic, Moisture Sensitive Applications Labelled Acetic Acid is used for analysis and profiling of biological samples resolved through NMR spectroscopy. It helps with the labelling of RNA for high resolution NMR. References Cahoreau, E. et al.: Anal. Bio., 427, 158 (2012);