Toxicology

Applications Labelled Diflufenican (D445640). (Pre and post emergence foliar absorbed herbicide for winter weed control in cereal crops; carotenoid biosynthesis inhibitor.
References Conte, E., et al.: J. Agric. Food Chem., 46, 4766 (1998),

Applications Labelled analogue of Propionaldehyde 2,4-Dinitrophenylhydrazone, a dinitrophenylhydrazone (DNPH) derivative of an aliphatic aldehyde found in mainstream cigarette smoke and a breakdown product of lipid peroxidation.
References Delgado, B. et al.: J. Liq. Chrom. Rel. Technol., 31, 361 (2008); Miller, J.H. et al.: J. Chrom. Sci., 48, 12 (2010); Enoiu, M. et al.: Anausis, 28, 285 (2000);

Applications A sonic hedgehog inhibitor. Also a possible inhibitor of prostaglandin endoperodixide synthases.
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 Kalgutkar, A.S., et al.: J. Med. Chem., 39, 8, 1692 (1996), Biochem., 40, 4359 (2001),

Applications Pranoprofen is an anti-inflammatory used in ophthalmology.
References Ayaki, M., et al.: Biocont. Sci., 15, 97 (2010); Lee, X., et al.: For. Toxicol., 28, 96 (2010);

Applications A hydroxylated derivative of Voriconazole (V760000), a systemic antifungal and ergosterol biosynthesis inhibitor.
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 Sanati, H., et al.: Antimicrob. Ag. Chemother., 41, 2492 (1997).

Stability Hygroscopic
Applications GW 501516 Sulfone is a urinary metabolite of GW1516 (G931500), a drug candidate potentially enhancing athletic performance. GW 501516 Sulfoxide may be used or doping control purposes.
References Thevis, M., et. al.: Anal. Bioanal. Chem., 396, 2479 (2010)

Applications Labelled Thiamphenicol (T344160). Thiamphenicol is an antibiotic. Thiamphenicol is the methyl-sulfonyl analogue of chloramphenicol and has a similar spectrum of activity, but is 2.5 to 5 times as potent. Thiamphenicol is used particularly for the treatment of sexually transmitted infections and pelvic inflammatory disease.
References Tikhonova, E., et al.: J. Biol. Chem., 279, 32116 (2004), Baucheron, S., et al.: J. Antimicrob. Chemother., 55, 707 (2005), Pages, J., et al.: Trends. Mol. Med., 11, 382 (2005), Lomovskaya, O., et al.: Biochem. Pharmacol., 71, 910 (2006), Samosorn, S., et al.: Bioorg. Med. Chem., 14, 857 (2006),

Applications Testosterone 17-Decanoate, is an ester of Testosterone (T155000). Testosterone 17-Decanoate, can be used as a potential long-acting male contraceptive, with the combination of subcutaneous etonogestrel implants .
References Brady, B. M., et al.: Human Reproduction, 21 (1), 285 (2006); Themmen, A., et al.: Endocr. Rev. 21, 551 (2000);

Applications O-Hydroxyethyl Metronidazole is the hydroxy ethyl analogue and impurity of the antiprotozoal agent Metronidazole (M338880). O-Hydroxyethyl Metronidazole as well as other 1-substituted-2-methyl-5-nitroimidazoles showed potential antitrichomonal activity.
References Kajfez, F. et al.: J. Med. Chem., 11, 167 (1968);

Applications One of the bioactive forms of Riboflavin. Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Minute amounts present in all plant and animal cells. Vitamin (enzyme cofactor).
References Unna, K., et al.: J. Pharmacol. Exp. Ther., 76, 75 (1942), Rivlin, et al.: N. Engl. J. Med., 283, 463 (1970), Al-Shammary, F.J., et al.: Anal. Profiles Drug Subs., 19, 429 (1990),

Applications Labelled Nitisinone. Nitisinone is a herbicidal triketone that inhibits 4-hydroxyphenylpyruvate dioxygenase (HPPD), an enzyme involved in plastoquinone biosynthesis in plants and in tyrosine catabolism in mammals. It is used in treatment of inherited tyrosinemia type I.
References Lindstedt, S., et al.: Lancet, 340, 813 (1992), Ellis, M.K., et al.: Toxicol. Appl. Pharmacol., 133, 12 (1995), Lock, E.A., et al.: J. Inherited Metab. Dis., 21, 498 (1998),

Applications 17-epi-Testosterone Enanthate, is a derivative of 17-epi-Testosterone (T155005).Testosterone and epitestosterone are endogenous steroids that differ in the configuration of the hydroxyl-bearing carbon at C-17. Testosterone is the predominant male sex hormone, whereas the role of epitestosterone is largely unclear. In humans, both androgens are excreted mainly as glucuronide conjugates.
References Wudy, S., et al.: Steroids, 66, 759 (2001), Kootstra, P., et al.: Anal. Chim. Acta., 586, 82 (2007), Sten, T., et al.: Drug Metab. Dispos., 37, 417 (2009),

Applications Lamivudine epimer.
References Chang, C., et al.: J. Biol. Chem., 267, 13938 (1992), Jeong, L., et al.: J. Med. Chem., 36, 181 (1993),

Applications A hydrazine derivative that is a non-selective and irreversible monoamine oxidase inhibitor (MAOI) and also inhibits GABA-transaminase (GABA-T), markedly increasing brain GABA levels. It is an antidepressant and anxiolytic used in the treatment of major depressive disorder (MDD) as well as other neural disorders.
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 MacKenzie, E.M. et al.: Neurochem. Res., 33, 430 (2008); Chiche, F. et al.: Mol. Pharmacol., 75, 1052 (2009); McKenna, K.F, et al.: J. Neural Trans., 41, 115 (1994);

Applications Pyridaben-d13 is deuterium labelled Pyridaben. Pyridaben is a pyridazinone derivative used as an insecticide and acaricide. In the European Union, Pyridaben has been authorized for use as an insecticide and acaricide from 1 May 2011. In Germany, Austria and Switzerland, no plant protection products containing this active substance are authorized. Pyridaben is a colorless solid that is practically insoluble in water. Cannabis testing.
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 Wadleigh, R., et al.: J. Chem. Ecol.,14, 1279 (1988); Hirata, K., et al.: J. Pestic. Sci., 20, 177 (1995); Chen, F., et al.: J. Entomol. Sci., 42, 296 (2007);

Applications Labelled Tylosin (T947650). Tylosin is a macrolide antibiotic isolated from a strain of Streptomycetes fradiae found in soil from Thailand. Antibacterial.
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 Hamill, et al.: Antibiot. Chemother., 11, 328 (1961), Corcoran, J.W., et al.: J. Antibiot., 30, 1012 (1977), Seno, E.T., et al.: Antimicrob. Agents. Chemother., 11, 455 (1977),