Miscellaneous Organic Molecules with Isotopical Substitutions

Applications Caffeine-D10 is the labeled compound of Caffeine(C080100). Caffeine (Pentoxifylline EP Impurity F) is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug and a reversible acetylcholinesterase inhibitor (1,2,3). Caffeine is found in varying quantities in the seeds, leaves, and fruit of some plants, where it acts as a natural pesticide that paralyzes and kills certain insects feeding on the plants. In humans, caffeine acts as a central nervous system stimulant, temporarily warding off drowsiness and restoring alertness. Caffeine is a cardiac and respiratory stimulant; diuretic. Caffeine is toxic at sufficiently high doses. Caffeine is a non-competitive inhibitor of acetylcholinesterase (3).
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 Zubair, U.M., et al.: Anal. Profiles Drug Subs., 15, 71 (1986); Cherrah, Y., et al.: Biochem. Pharmacol., 37, 1311 (1988);

Applications Trenbolone Enanthate is an analog of Trenbolone (T719000), a controlled substance (anabolic steroid). This is the labeled analog.
References Schanzer, W., et al.: Clin. Chem., 42, 1001 (1996), Kicman, A., et al.: Br. J. Pharmacol., 154, 502 (2008), Fragkaki, A., et al.: Steroids, 74, 172 (2009),

Stability Hygroscopic
Applications A labelled metabolite of Caffeine.
References Suto, M., et al.: Anticancer Drug Des., 6, 107 (1991), Burkart, V., et al.: Nat. Med., 5, 314 (1999), Hassa, P., et al.: J. Biol. Chem., 278, 45145 2003), Veres, B., et al.: J. Pharmacol. Exp. Ther., 310, 247(2004),

Stability Hygroscopic
Applications Labelled Cyromazine (C989300). Insect growth regulator. Insecticide.
References Hall, R.D., et al.: J. Econ. Entomol., 73, 564 (1980), Hart, R.J., et al.: Aust. Vet. J., 59, 104 (1982),

Applications Isotope labelled 1,1,2,2-Tetrachloroethane is a material used in the manufacturing of thermoelectric material including carbon nanotubes. It was primarily used as a solvent however due to toxicity it is no longer a viable compound.
References Basu, D. et al.: J. Environ. Sci. Health. A. Tox. Hazard. Subst. Environ. Eng., 47, 638 (2012);

Applications Hydantoin-5-13C,1-15N (cas# 1189697-61-7) is a compound useful in organic synthesis.

Applications Uric Acid-1,3-15N2 is the labeled analogue of Uric Acid (U829200), a heterocyclcic compound that is created when purine nucleotides are broken down of by the human body. High blood concetration of Uric Acid is known as hyperuricemia and is often associated with a wide range of disorders and medical conditions such as gout, diabetes and metabolic syndrome. Uric acid may be a marker of oxidative stress and may have a potential therapeutic role as an antioxidant.
References Heinig, M. et al.: Cle. Clin. J. Med., 73, 1059 (2006); Glantzounis, G.K. et al.: Curr. Pharmac. Des., 11, 4145 (2005); Dehghan, A. et al.: Diab. Care, 31, 361 (2008); Nakagawa, T. et al.: Am. J. Physiol. Renal Physiol., 290, F625 (2006)

Applications 1,2,4-Triazole-d2 is the labelled isotope form of 1,2,4-Triazole(T767410) which is present in a large variety of fungicides as C14-demethylase-inhibitors. In addition they are used in synthetic chemical reactions such as the design and preparation of ghrelin receptor ligand antagonists, like JMV 2959.
References Moulin, A. et al.: Amino Acids., 44, 301 (2013); Worthington, P. et al.: Bioact. Hetero. Comp. Class., 129, 2012

Applications 2,4,6-Trimethylphenol-d11 (CAS# 362049-45-4) is a useful isotopically labeled research compound.