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);

Applications 5-Alpha-Dihydrotestosterone (2,2,4,4-D4, 98%) 95% Chemical Purity (cas# 5295-66-9) is a useful research chemical.

Applications rac N’-Nitrosonornicotine-d4 is present in cigarettes and patches in reduced amounts in order to facilitate the cessation of smoking. Induces down-regulation of nonmuscle myosin II affecting cell motility and wound healing. 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 Hatsukami, D. et al.: Canc. Epid. Bio. Prev., 22, 1015 (2013); Prins, J. et al.: J. Prot. Res., 12, 1282 (2013);

Applications Nevirapine-d4 (cyclopropyl-2,2,3,3-d4) (CAS# 1051418-95-1) is a useful isotopically labeled research compound. This can be prepared to use as non-nucleoside reverse transcriptase inhibitors. References Gant, T., et.al., PCT Int.Appl., 113,(2008);

Applications Antilipemic. References Chang, et al.: Biochem. Pharmacol., 16, 2053 (1967), Walsh, et al.: Arch. Biochem. Biophys., 130, 7 (1969), Witiak, et al.: J. Med. Chem., 14, 754 (1971),

Applications Labelled α2-adrenergic agonist. Sedative; analgesic. References Scheinin, M., et al.: Br. J. Clin. Pharmacol., 24, 443 (1987), Stenberg, D., et al.: J. Vet. Pharmacol. Ther., 10, 319 (1987), Virtanen, R., et al.: Eur. J. Pharmacol., 150, 9 (1988), Cullen, L.K., et al.: Br. Vet. J., 152, 519 (1996),

Applications Imatinib-d8 is a deuterated tyrosine kinase inhibitor. It is a COVID19-related research product. References Schindler, T., et al.: Science, 289, 1938 (2000); Drucker, B.J., et al.: N. Engl. J. Med., 344, 1031 (2001)

Applications Labelled Tryptamine (T894600). Occurs in plants.

Applications (±)-Fluazifop-d4 is a labeled analogue of (±)-Fluazifop (F407430), a grass-selective herbicide which inhibits acetyl-CoA carboxylase in sensitive plant species. 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 Walker, K.A., et. al.: Biochem. J., 254, 307 (1988); Hajslova, J., et. al.: J. Chrom., 438, 55 (1988)

Applications Macrolide immunosuppressant; derivative of Rapamycin. Inhibits cytokine-mediated lymphocyte proliferation. 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 Dumont, F.J., et al.: Curr. Opin. Invest. Drugs, 2, 1220 (2001), Kovarik, J. M., et al.: Clin. Pharmacol. Ther., 69, 48 (2001), Nashan, B., et al.: Ther. Drug Monit., 24, 53 (2002),

Applications Labelled lipids. New lipids in food protein hydrolyzates.

Applications Labelled analogue of Benzo[ghi]perylene, one of the polycyclic aromatic hydrocarbons (PAH’s), an environmental pollutant with potential carcinogenic activity. 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 Alves, C. et al.: Atmos. Environ., 35, 5485 (2001); Jaward, F. et al.: Environ. Sci. Technol., 38, 2523 (2004); Lee, R. et al.: Environ. Sci. Technol., 39, 1436 (2005); Augusto, S. et al.: Environ. Pollut., 158, 483 (2010);

Applications rac Guaifenesin-d3 (cas# 1189924-85-3) is a compound useful in organic synthesis.

Applications Sulfacetamide-d4 is the isotope labelled analog of Sulfacetamide. Sulfacetamide is an antibiotic used for the treatment of skin infections and urinary tract infections. Sulfacetamide is also used to treat acne and seborrheic dermatitis. Sulfacetamide was investigated for potential anti-inflammatory properties References Wittwer, M.B., et al.: J. Med. Chem., 56, 781 (2013); Wang. X., et al.: Afr. J. Micriobiol., 6, 4533 (2012); Yu, B., et al.: Euro. J. Med. Chem., 46, 5833 (2011);