Toxicology

Applications 4’-Hydroxy Pyrimethanil is a labelled metabolite of the pesticide Pyrimethanil (P997250).
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 Environmental Protection Agency EPA: Fed. Reg., 69, 52434 (2004);

Applications Diphenyl Phosphate is an organophosphate diester and metabolite of the flame retardant Triphenyl Phosphate (T808990) and also a metabolite of 2-Ethylhexyl diphenyl phosphate.
References Cooper, E.M. et al.: Anal. Bioanal. Chem., 401, 2123 (2011); Nishimaki-Mogami, T. et al.: Arch. Toxicol., 61, 259 (1988);

Applications Antiarrhythmic (class IA). Sodium channel blocker.
References Adelstein, et al.: J. Med. Chem., 16, 309 (1973), Czeisler, J.L., et al.: J. Pharm. Sci., 74, 750 (1985), Taylor, E.H., et al.: Ann. Clin. Lab. Sci., 16, 289 (1986),

Applications Labelled Deshydroxyethoxy Ticagrelor analog of Ticagrelor (T437700) an antiplatelet agent, and preventative in the treatment of heart attacks, myocardial infarction, and other pulmonary diseases.
References Zhang, H. et al.: Bioorg. Med. Chem. Lett., 22, 3598 (2012);

Applications Bis-(1-Chloro-2-propyl)phosphate is the metabolite of organic flame retardants.
References Schindler, B. et al.: Anal. Bioanal. Chem., 395, 1167 (2009);

Applications 2,2',3,3',4,4',5,5',6,6'-Decachlorobiphenyl is a polychlorinated biphenyl (PCB) congeners. A halogenated organic contaminant and a pesticide.
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 Ballschmiter, K., et al.: Fresenius J Anal Chem., 302, 20 (1980); Hawker, Darryl W., et al.: Environ Sci Technol., 22, 382 (1988); Souza, A. C., et al.: Mar. Pollut. Bull., 133, 436 (2018); Siddiqi, H. A., et al.: J. Chem.Soc. Pakistan, 39, 851 (2017)

Applications Misoprostol is a cytoprotective prostaglandin PGE1 analogue.
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 Graham, Y., et al.: Lancet, 2, 1277 (1988); Graham, D.Y., et al.: Ann. Int. Med., 119, 257 (1993); Fletcher, H., et al.: Obstet. Gynecol., 83, 244 (1994);

Applications Contact herbicide used also to produce desiccation and defoliation.
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 Brian, et al.: Nature, 181, 446 (1958), Gaines, T.B., et al.: Fundam. Appl. Toxicol., 7, 299 (1986),

Applications FOY 251-D4 is a labelled analogue of FOY 251 (F754500).

Stability Hygroscopic
Applications Carboprost Tromethanimine is the salt of Carboprost (C177580), an analog of prostaglandin F2α.
References Weeks, J.R., et al.: J. Pharmacol. Exp. Ther., 67, 186 (1973), Csapo, A.I., et al.: Prostaglandins, 18, 479 (1979), Schwallie, P.C., et al.: J. Reprod. Med., 23, 289 (1979), Mapa, M.P., et al.: Int. J. Gynaecol. Obstet., 20, 125 (1982),

Stability Hygroscopic
Applications N-Lauroyl-N-methyltaurine Sodium Salt is used in skin cleansing products containing combinations of anionic and nonionic surfactants and detergents.
References Sakurai, N.; Eur. Pat. Appl. 20 pp. Patent 1996 CODEN:EPXXDW

Applications Herbicide used to control the spread of weedgrass.
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 Haith, D., et al.: Environ. Sci. Technol., 44, 6496 (2010), Jabran, K., et al.: Int. J. Agric. Biol., 12, 335 (2010), Rahaman, S., et al.: Environ. Ecol., 28, 1 (2010),

Impurity Efavirenz USP Related Compound B
Applications (E)-Dihydro Efavirenz (Efavirenz USP Related Compound B) is an impurity of the nonnucleoside HIV-1 reverse transcriptase inhibitor Efavirenz (E425000).
References Weissburg, R.P. et al.: J. Pharmac. Biomed. Anal., 28, 45 (2002); Ribeiro, J.A.A. et al.: J. Pharmac. Biomed. Anal., 43, 298 (2007);

Applications Antineoplastic; one derivative of cyclophosphamide (NSC-26271).
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 Potel, J., et al.: Arzneim.-Forsch., 21, 1250 (1971), Bria, E., et al.: Cancer Treat. Rev., 32, 583 (2006), Faivre, S., et al.: J. Clin. Oncol., 24, 25 (2006).

Applications Methotrexyl-N’-biotinylethylenediamine is a compound useful in organic synthesis.

Stability Hygroscopic
Applications A metabolite of Acrylamide.
References Bjellaas, T., et al.: Toxicol. Sci., 100, 374 (2007), Doerge, D., et al.: Toxicol. Lett., 169, 34 (2007), Hartmann, E., et al.: J. Agric. Food Chem., 56, 6061 (2008),

Applications A metabolite of halopropanes.
References Barnsley, E.A.: Biochem. J., 100, 362 (1966)

Applications Oxybenzone is an organic compound used in sunscreens. Oxybenzone is used as an ingredient in sunscreen and other cosmetics because it absorbs UVB and short-wave UVA (ultraviolet) rays. Oxybenzone was one of the first compounds incorporated into sunscreen formulations to offer enhanced UVA protection because its absorption spectrum extends to less than 350 nm.
References Auriol, M., et al.: Chemosphere, 70, 445 (2008); Balmer, M., et al.: Environ. Sci. Technol., 39, 953 (2005); Jeon, H., et al.: Toxicology, 248, 89 (2008); Campoy, S., et al.: Environ. Microbiol., 11, 99 (2009); Chem. and Eng. News page 22, Aug. 6 (2018)

Applications 17beta-Estradiol-16,16,17-d3 3-Benzoate (CAS# 1192354-74-7) is a useful isotopically labeled research compound.

Applications Bacitracin is a peptide antibiotic effective against gram-postive bacteria. Bacitracin is an inhibitor of peptidoglycan synthesis. Bacitracin disrupts bacterial cell wall synthesis by inhibiting dephosphorylation of lipid pyrophosphate. Bacitracin also strongly inhibits proline endopeptidase from human muscle.
References Ward, J.B. et al.: Biochem. J., 141, 227 (1974); Anastasi, A. et al.: Biochem. J., 290, 601 (1993); Daly, D.J. et al.: Biochem. Soc. Trans., 13, 1161 (1985); Weinberg, E.D. et al.: Antibiot. Ber., 90, (1967);

Applications Shows antioxidant effects. Antiseptic.
References Wong, S., et al.: Clin. Chem., 33, 214 (1987), Daood, H., et al.: Food Chem., 55, 365 (1996), Zainol, M., et al.: Food Chem., 81, 575 (2003),

Applications N-Acetyl-S-phenyl-d5-DL-cysteine is the deuterium labelled form of N-Acetyl-S-phenyl-DL-cysteine, which is used as a reactant in the preparation of potent HIV-1 protease inhibitors that use D-amino acids as P2/P3 ligands.
References Jungheim, L., et al.: J. Med. Chem., 39, 96 (1996);

Applications 6-(Aminocarbonyl)-3-cyclohexene-1-carboxylic Acid is a useful building block for organic synthesis.

Impurity Erythromycin EP Impurity B
Applications N-Demethyl Erythromycin A (Erythromycin EP Impurity B) is a metabolite of Erythromycin (E649950).
References Rich, D.H., et al.: J. Med. Chem., 18, 1004 (1975), Itoh, Z,. et al.: Antimicrob. Agents Chemother., 26, 863 (1984), Omura, S., et al.: J. Antibiotics 38, 1631 (1985),

Impurity Vancomycin Impurity
Applications An impurity in Vancomycin.A representative lot was 75% by HPLC with less than 0.1% vancomycin.
References Marshall, F.J., et al.: J. Med. Chem., 8, 18 (1965), Sheldrick, G.M., et al.: Nature, 271, 223 (1987), Dutca-Melan, S., et al.: J. Clin. Microbiol., 33, 24 (1995),

Applications Vemurafenib selective BRAFV600E kinase inhibitor; an antitumor agent. Vemurafenib functions by inhibiting the proliferation and mitogen-activated protein/extracellular signal-regulated kinase (ERK) kinase and ERK phosphorylation in a panel of tumor cell lines, including melanoma cell lines expressing BRAFV600E or other mutant BRAF proteins altered at codon 600. Potent B-Raf inhibitor
References Halaban, R. et al.: Pigm. Cell. Melonoma Res., 23, 190 (2010); Yang, H. et al.: Cancer Res., 70, 5518 (2010); Comin-Anduix, B. et al.: Clin. Cancer Res., 16, 6040 (2010);

Applications N-Isopropyl quaternary salt of Atropine. Nonselective muscarinic acetylcholine receptor antagonist; bronchodilator.
References Groeben, H., et al.: Anesthesiology, 85, 867 (1996), Haddad, et al.: Br. J. Pharmacol., 127, 413 (1999), Barnes, P. J., et al.: Chest, 117, 63S (2000),

Applications 4,4'-DDE - d8 is a metabolite of DDT - d8 (D434197), a synthetic organochlorine insecticide that functions by opening sodium ion channels in the insects’ neurons, causing them to fire spontaneously which in turn leads to death. 4,4'-DDE - d8 has shown to have endocrine disrupting effects on gonadotropin hormones in pituitary gonadotrope cells.
References Saschenbrecker, P.W.: Can. J. Comp. Med., 37, 203 (1973); Balkew, M. et al.: Paras. Vect., 3, No pp. given (2010); Kikankie, C.K. et al.: Malaria J., 9, No pp. given. (2010); Battu, R.S. et al.: Sci. Total Environ., 78, 173 (1989); Zhou, J., et. al.: Environ. Toxicol. Phar., 37, 1194 (2014)

Applications 26-Deoxymonensin A Sodium Salt is a metabolite of Monensin (M515600, Na salt); a polyether antibiotic and coccidiostat.
References Pospisil, S., et al.: Appl. Environ. Microb., 60, 1561 (1994); Ashworth, D.M., et al.: J. Antibiot., 42, 1088 (1989);

Stability Air Sensitive
Applications Methimazole is a thiourea antithyroid agent that prevents iodine organification, thus inhibiting the synthesis of thyroxine. Antihyperthyroid.
References Sitar, D.S., et al.: J. Pharmacol. Exp. Ther., 184, 432 (1973), Aboul-Enein, H.Y., et al.: Anal. Profiles Drug Subs., 8, 351 (1979), Cooper, D.S., et al.: N. Engl. J. Med., 311, 1353 (1984), Atterwill, C.K., et al.: Food Chem. Toxicol., 29, 355 (1991),

Applications Terbinafine is used to treat infections caused by a fungus.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 4-Chlorophenol 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 4-Chloro-thiamethoxam is an over chlorinated impurity of thiamethoxam (T344180), which is a neonicotinoid insecticide. Reports show that when exposed to neonicotinid pesticides honeybees have problems returning home after foraging and bumblebee colonies grow poorly and produce fewer queens.
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 Oliver, J., et al.: J. Environ. Horticult., 28, 135 (2010), Ghosh, A., et al.: J. Entomol. Res., 34, 35 (2010), Chem. and Eng. News 90: 10 (2012)

Stability Hygroscopic
Applications Sodium salt of Fenoprofen (F248825), acts as an anti-inflammatory; analgesic.
References Rubin, et al.: J. Pharm. Sci., et al.: 60, 1797 (1971), Ward, C.K., et al.: Anal. Profiles Drug Subs., 6, 161 (1977); Hirsch, C. et al.: J. Pharm. Sci., 67, 231 (1978);

Stability Volatile
Applications N-Methyl-N-formylhydrazine is a substituent used in the synthesis of Marbofloxacin (M197000), a fluorinated quinolone antibacterial agent.
References Gruet, P., et al.: Vet. Rec., 140, 199 (1977), Lefebvre, H.P., et al.: J. Vet. Pharmacol. Ther., 21, 453 (1998),

Applications Labelled Febuxostat (F229000). Xanthine oxidase/xanthine dehydrogenase inhibitor. Used for treatment of hyperuricemia and chronic gout.
References Osada, Y., et al.: Eur. J. Pharmacol., 241, 183 (1993), Okamoto, K., et al.: J. Biol. Chem., 278, 1848 (2003), Mayer, M.D., et al.: Am. J. Therap., 12, 22 (2005), Tomlinson, B., et al.: Curr. Opin. Invest. Drugs, 6, 1168 (2005),

Applications Hexaconazole is a systematic fungicide of the triazole class. Hexaconazole has a broad spectrum antifungal activity and is commonly used in the control of apple, coffee and peanut diseases.
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 Brown, M.C. et al.: Bright. Crop Prot. Conf. Pest. Dis., 1, 229 (1988); Gozzo, F. et al.: Pest. Biochem. Physiol., 40, 68 (1991);