Toxicologie

Applications Brivaracetam-d7, is the labeled analogue of Brivaracetam (B677645), which is a 4-n-propyl analog of levetiracetam (L331500), and a racetam derivative with anticonvulsant properties.
References Rosenstiel, P., et al.:Neurotherapeutics, 4 (1), 84 (2007);

Applications 11-Hydroxytestosterone-[9,11,12,12-2H4] is a metabolite of Testosterone (T155000), a principal hormone of the testes, produced by the interstitial cells.
References McFarland, K., et al.: Science, 245, 494 (1989), Heckert, L., et al.: Mol. Endocrinol., 12, 1499

Applications Baricitinib is a JAK1 and JAK2 inhibitor and have been used as a promising treatment for rheumatoid arthritis.
References Greenwald, L.J., et al.: Int. J. Clin. Rheumatol., 6, 401 (2011); Fridman, J.S., et al.: J. Immunol., 184, 5298 (2010);

Applications Trinexapac-ethyl

Applications Buprofezin is a insecticide which works as a chitin synthesis inhibitor. Buprofezin is used to control stubborn rice pests and is effective in controlling green leaf hoppers and white back plant hoppers for long durations. Useful in cannabis testing kits as a component of pesticide mixes (P698235).
References Hou, X., et al.: Food. Chem., 138, 1198 (2013); Sohrabi, F., et al.: Crop. Protect., 45, 98 (2013);

Applications Isocarbophos is an organophosphorus pesticide residue found in spicy foods and nuts.
References Gao, Y., et al.: Huaxue Shiji, 39, 1083 (2017); Dong, Y., et al.: Fenxi Huaxue, 45, 1397 (2017)

Applications It was reported to be a new naturally occurring plant-growth regulator. Present in plant cuticle waxes and in beeswax as the palmitate.
References Farag, R., et al.: J. Food Prot., 52, 665 (1989), Cuvelier, M., et al.: J. Agric. Food Chem., 42, 665 (1994), Huang, M., et al.: Cancer Res., 54, 701 (1994), Offord, E., et al.: Carcinogenesis, 16, 2057 (1995),

Applications Tetraconazole is an conazole fungicide used to control pests in apple and strawberries.
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 Bolton, M.D., et al.: Plant. Disease., 96, 1749 (2012); Reiss, R., et al.: Food. Chem. Toxicol., 50, 4421 (2012);

Stability Hygroscopic
Applications Isotope labelled a metabolite of Ethynylestradiol.
References Hadd, H.H., et al.: J. Steroid Biochem., 13,1107 (1980), Meyers, M., et al.: J. Pharmacol. Exp. Ther., 214, 887 (1980), Poupon, R., et al.: Pharmacol. Ther., 66, 1 (1995), Catania, V., et al.: Biochem. Pharmacol., 50, 509 (1995), Schuetz, E., et al.: J. Biol. Chem., 276, 39411 (2001)

Applications Tridemorph is a known fungicide that is used to control the fungus Erysiphe graminis in cereals. Tridemorph is also utilized for agriculture purposes such as fungicidal control of crops. Tridemorph is one of the components of Aldimorph, which has a mixture of C8 to C16 for the alkyl chain.
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 Vyas, S.C. et al.: Pesticides., 16, 24 (1982); Chand, T., et al.: Agrochem. Cultivars., 2, 22 (1981);

Applications Tropisetron-d5, is the labeled analogue of Tropisetron Hydrochloride (T892700), which is specific serotonin (5-HT3) receptor antagonist. It is also an antiemetic.
References Richardson, B.P., et al.: Nature, 316, 126 (1985), Williams, F.M., et al.: J. Cardiovasc. Pharmacol., 7, 550 (1985), Waeber, C., et al.: Neuroscience, 31, 393 (1989), Seynaeve, C., et al.: Anti-Cancer Drugs, 2, 343 (1991), Fischer, V., et al.: Dug Metab. Dispos., 20, 603 (1992),

Applications Oxyfluorfen is a diphenyl ether broad spectrum herbicide (1). Oxyfluorfen is a pre- and post-emergent control broad leaf and grassy weeds in field crops (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.
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. Yih, R. et al.: J Agric Food Chem. 1975 May-Jun;23(3):592-3.2. Fernandez, P. et al.: Pest. Manag. Sci. 2016 Jul 22. doi: 10.1002/ps.4368.

Applications An antibacterial agent.
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 Piipari, R., et al.: Clin. Exp. Allergy, 28, 358 (1998), Kanerva, L., et al.: Contact Dermatitis, 44, 193 (2001), Frauen, M., et al.: J. Pharm. Biomed. Anal., 25, 965 (2001),

Applications Phthalimide-d4 is the isotope labelled analog of Phthalimide (P384550); a reagent used to transform allyl- and alkyl halides into protected primary amines. Phthalimide analogues have been extensively used in medicinal chemistry owing to their wide spectrum of applications as anti-convulsant, anti-inflammatory, analgesic, hypolipidimic and immunomodulatory activities.
References Sharma, U., et al.: Med. Chem., 10, 678 (2010); Reddy, P.Y., et al.: J. Org. Chem., 62, 2652 (1997); Le, Z.G., et al. Synthesis., 208 (2004)

Stability Unstable in Solution
Applications (S)-(-)-Carbidopa is a peripheral decarboxylase inhibitor that is commonly used in combination with L-DOPA (D533751) for treatment of Parkinsonism. S(-)-Carbidopa ( has also been shown to prolong the elimination half-life of L-DOPA from blood plasma and skeletal muscle.
References Henry, G.M. et al.: Psychosom. Med., 38, 95 (1976); Leguire, L.E. et al.: Invest. Ophthalmol. Vis. Sci. 34, 3090 (1993); Deleu, D. et al.: Naun. Schmied. Arch. Pharmacol. 348: 576 (1993);

Impurity Lorazepam USP Related Compound A
Stability hygroscopic
Applications Lorazepam is an anxiolytic compound that potentiates GABAergic synaptic transmission by binding at the benzodiazepine site on the GABAA receptor.1,2 This product is intended for forensic and research applications. Lorazepam acts as ananticonvulsant. Lorazepam USP Related Compound A.Controlled substance (depressant).
References Rutgers, G., et al.: Anal. Profiles Drug Subs., 9, 397 (1980), Korkmaz, S., et al.: Eur. Neuropsychopharmacol., 8, 175 (1998), D’Onofrio, G., et al.: N. Engl. J. Med., 340, 915 (1999),