Toxicologie

Applications A tryptamine derivative; shows α-adrenolytic activities.
References Ishida, Yukio., et al.: Chem. Pharma. Bull., 25, 1851 (1977),

Applications: Labelled Almotriptan (A575200). Almotriptan is a serotonin 5HT1B /1D-receptor agonist used for treatment of migraine.
References Fleishaker, J.C., et al.: Clin. Pharmacol. Ther., 67, 498 (2000), Kamali, F., et al.: Curr. Opin. Cent. Peripher. Nerv. Syst. Invest. Drugs, 2, 197 (2000), Dodick, D.W., et al.: Expert Opin.Pharmacother., 4, 1157 (2003)

Applications O6-Methyl-7,8-dihydro-6-isomorphine is an impurity of Hydromorphone(H714650), an analgesic(narcotic).
References Buchwald, M.E., et al.: J. Pharmacol. Exp. Ther., 71, 197 (1941), Zernig, G., et al.: Life Sci., 57, 2113 (1995), Keith, D., et al.: J. Biol. Chem., 271, 19021 (1996), Pawar, M., et al.: Eur. J. Pharmacol., 563, 92 (2007)

Applications 2'-O-Methyl-d3 Paclitaxel is a labeled analogue of 2'-O-Methyl Paclitaxel (M326135), a potential cytotoxic agent.
References Kant, J., et. al.: Bioorg. med. Chem. Lett., 3, 2471 (1993)

Stability Air Sensitive
Applications MGK 11 is an insect repellent most commonly used commercially as a mosquito repellent.
References Rutledge, L., et. al.: J. Med. Entomol., 20, 506 (1983);Steltenkamp, R., et. al.: Eur. Pat. Appl. 9 pp. Patent (1994) CODEN:EPXXDW;Buescher, M., et. al.: J. Med. Entomol., 19, 176 (1982)

Applications O-Methyl Oxazepam is an impurity of Oxazepam (O845700), which is an anxiolytic; muscle relaxant (skeletal); anticonvulsant; ligand for the GABAA receptor benzodiazepine modulatory site. Controlled substance (depressant).
References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971), Sisenwine, et al.: Arzneim. Forsch., 22, 682 (1972), Shearer, C.M., et al.: Anal. Profiles Drug Subs., 3, 441 (1974), Greenblatt, D.J., et al.: Clin. Pharmacokinet., 6, 89 (1981),

Applications Metoxuron is used as a herbicide.
References Navarro, Simon, et al.: J. of Agric. and Food Chem., 60(21), 5279-5286 (2012);Zhang, Rong, et al.: Sepu, 36(12), 1228-1237 (2018)

Applications Isotope labelled intermediate in the synthesis of the metabolites of Nitazoxanide (N490100), an anthelmintic (cestodes), antiprotozoal (cryptosporidium) agent.
References Honma, K., et al.: Chem. Pharm. Bull., 24, 394 (1976), Dubreuil, L., et al.: Antimicrob. Agents Chemother., 40, 2266 (1996), Stockis, A., et al.: Int. J. Clin. Pharmacol. Ther., 34, 349 (1996),

Applications L-Carnitine-15N is an isotopically labelled analog of L-Carnitine (C184110), which is an essential cofactor of fatty acid metabolism; required for the transport of fatty acids through the inner mitochondrial membrane. Synthetized primarily in the liver and kidney; highest concentrations found in heart and skeletal muscle.
References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001);Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002);Karlic, H., et al.: Nutr. J., 20, 709 (2004)

Applications Estradiol 17β-sulfate is a naturally occuring steroid in whihc can be converted into Estradiol(E888000)
References Takanashi, K., et al.: Steroids., 68, 383-392 (2003)

Applications Carbophenothion is an organophosphorus pesticide used for fruits and vegetables.
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 Scott, G., et al.: J. Agric. Food Chem., 50, 4400 (2002), Mezcua, M., et al.: Food Chem., 112, 221 (2009), Mezcua, M., et al.: Anal. Chem., 81, 913 (2009),

Applications Α labelled metabolite of Tamoxifen (T006000).
References Sun, D., et al.: Breast Cancer Res., 8(4), (2006), Zheng, Y., et al.: Drug Metab. Dispos., 35, 1942 (2007),

Applications Nimbin (N476280) derivative.
References Cohen, E., et al.: Life Sci., 58, 1075 (1996), Roy, A., et al.: Biol. Pharm. Bull., 29, 191 (2006),

Applications Used as an antiparkinsonian.
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 Hai, N., et al.: Int. J. Pharm., 357, 55 (2008), Sanderson, H., et al.: Toxicol. Lett., 187, 84 (2009),

Stability Hygroscopic
Applications Intermedine is an unsaturated monoester pyrrolizidine alkaloid that is extracted from the seeds of Amsinckia intermedia, a tarweed that causes enzootic hepatic cirrhosis in horses and hard liver disease in cattle. Intermedine is also a diastereomer of Lycopsamine (L487525), a pyrrolizidine alkaloid that is found in honey and in comfrey (a topical anti-inflammatory agent used to treat patients with arthritis and gout).
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 Culvenor, C., et al.: J. Agr. Food Chem., 29 958 (1981); Janes, D., et al.: Nat. Prod. Comm., 7, 861 (2012); Li, Y. & Stermitz, F.: J. Nat. Prod., 51, 1289 (1988); McCulloch, E.: Am. Vet. Med. Assoc., 96, 5 (1940); Pawar, R., et al.: J. Sep. Sci., 33, 200 (2010)

Applications 4-Methyl-1,2,3-Thiadiazole-5-Carboxylic Acid (cas# 18212-21-0) is a useful research chemical.

Applications Darunavir N-β-D-Glucuronide Sodium Salt (90%) is a salt analogue of Darunavir N-β-D-Glucuronide (D193510), which is a metabolite of Darunavir (D193500) an inhibitor of human immunodeficiency virus (HIV) protease. It is a COVID19-related research product.
References Vermeir, M. et al.: Drug Metab. Disp., 37, 809 (2009); Koh, Y., et al.: Antimicrob. Agents Chemother., 47, 3123 (2003); Arasteh, K., et al.: AIDS, 19, 943 (2005);

Impurity Itraconazole EP Impurity E
Applications trans-Itraconazole (Itraconazole EP Impurity E) is a geometrical isomer of Itraconazole (I937500). It is a COVID19-related research product.
References Ahn, C., et al.: J. Korean Chem. Soc., 43, 676 (1999),

Stability Hygroscopic
Applications Cyclopropanecarboxyl Carnitine Chloride is a salt derivative of Cyclopropanecarboxyl Carnitine (C179155), a metabolite of Cycloprate (C998970), an insecticide with ovicidal activity, in rats.
References Asano, S., et al.: Apl. Entomol. Zool., 17, 67 (1982); Asano, S., et al.: Nippon Oyo Dobutsu Konchu Gakkaishi, 23, 113 (1979)

Applications Labelled (6R,7S)-Cefoperazone (C242890). (6R,7S)-Cefoperazone is the enantiomer of Cefoperazone (C242900) as an impurity.
References Fabre, H., et al.: J. Pharm. Sci., 73, 611 (1984), Strasters, J., et al.: Anal. Chem., 63, 2503 (1991), Chen, Z., et al.: World Notes Antibiot., 25, 249 (2004),

Applications An Efavirenz (E425000) impurity.

Applications Artemether- 13C, d3, is the labeled analogue of Artemether (A777400), which is a derivative of Artemisinin (A777500). Antimalarial, used to treat strains of malaria which are multi-drug resistant.
References Hombhanje, F., et al.: Pharma., 3, 3581 (2010), Michael, O., et al.: Malaria J., 9, 335 (2010), Cesar, I., et al.: J. Pharm. Biomed. Anal., 54, 114 (2011),

Impurity Cefuroxime Axetil EP Impurity A
Applications Δ2-Cefuroxime Axetil (Cefuroxime Axetil EP Impurity A) is an oral prodrug of Cefuroxime (C248060), an injectable second generation cephalosporin with an excellent antibacterial activity. This ester is applied in therapy as a mixture of the R and S diastereoisomers.
References Nguyen, N., et al.: Pharm. Res., 8, 893 (1991), Stoeckel, K., et al.: Antimicrob. Agents Chemother., 42, 2602 (1998), Scott, L., et al.: Drugs, 61, 1455 (2001),

Stability Unstable in Solution
Applications Profoxydim Lithium Salt is a salt of Profoxydim (139001-49-3) and an herbicide.
References Kaczynski, P., et al.: Food Chemistry, 230, 411-422 (2017);

Applications Isothiazol-3(2H)-one (cas# 1003-07-2) is a useful research chemical.

Stability Hygroscopic
Applications Isomalathion is a major impurity in the synthesis of Malathion (M111000), a commonly used insecticide.
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 Josse, R et al.: Chem. Bio., Interact., 209, 76 (2014); Buratti, F. et al.: J. Biochem. Mol. Toxicol., 19, 406 (2009);

Applications Lomitapide is a drug used in the treatment of obesity and aids in lowering LDL cholesterol and overall cholesterol levels in subjects.
References Cuchel, M. et al.: Lancet., 381, 40 (2013); Stefanutti, C. et al.: Atherosclero. Suppl., 14, 19 (2013);

Applications Nabam-d4 Hexahydrate is a labeled fungicide used to synthesize zinc ethylenebis(dithiocarbamate):amine complexes.
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 Clifford, D.P., Carson, C.: Pesticide Sci., 23, 93 (1988)

Applications 2,6-Dibromo-4-cyanophenyl Octanoate-d15 is a useful isotopically labeled compound of Bromoxynil Octanoate (B694345)

Applications A metabolite of Midazolam (M343000).

Applications 17α-Vinyltestosterone Acryl Ester is an intermediate in synthesizing 20,21-Dehydro Spironolactone (D229405), which is an impurity of Spironolactone (S683000), a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conn’s syndrome.
References Sutter, J.L., et al.: Anal. Profiles Drug Subs., 4, 431 (1975);

Applications (3S,5S)-Dihydroxy Simvastatin is a derivtive of Simvastatin (S485000). Simvastatin is a synthetic derivative of a fermentation product of Aspergillus terreus. A competitive inhibitor of HMG-CoA reductase. A synthetic analog of Lovastatin. Antilipemic. Simvastatin, the drug, is sold under the trade name Zocor.
References Hoffman, W.F., et al.: J. Med. Chem., 29, 849 (1986), Mol, M.J., et al.: Lancet, 2, 936 (1986)

Applications Phorate Oxon is a toxic metabolite of Phorate (P353500), an inhibitor of acetylcholinesterase and pseudocholinesterase.
References Bowman, M.C. et al.: J. Agric. Food Chem., 17, 138 (1969); Hong, J.U. et al.: Han’guk Nong. Hakh., 26, 104 (1983); Szeto, S. et al.: J. Agric. Food Chem., 30, 1082 (1982);

Applications A ring-opened analog of Fentanyl (F274990). An opioid analgesic with potency similar to morphine.
References Casy, A.F. et al.: J. Pharm. Pharmacol., 19, 17 (1967); Dosen-Micovic, L. et al.: Elec. Conf. Heterocyc. Chem., 157 (1998);

Stability Hygroscopic
Applications Quifenadine-d10 is the isotope labelled analog of Quifenadine. Quifenadine is used in the biological studies of azoniabicyclooctanes as muscarinic acetylcholine receptor antagonists.
References Laine, D. I., et al.: J. Med. Chem., 52, 2493 (2009);

Impurity Oseltamivir EP Impurity F;
Applications 3-Des(1-ethylpropoxy)-3-(1-methylpropoxy) Oseltamivir (Oseltamivir EP Impurity F) is an impurity of the antiviral drug Oseltamivir (O700100). It is a COVID19-related research product.

Applications N-tert-Butyl-3-isopropyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carboxamide is a metabolite of Amicarbazone (A605040); a triazolinone herbicide with a broad spectrum of weed control.
References Dayan, F., et al.: Weed Science, 57, 579 (2009); Elmore, M., et al.: Weed Technol., 27, 596 (2013); Dong, M., et al.: J. Sep. Sci., 38, 2245 (2015)

Applications N-Hydroxyphenylglycyl Cefadroxil-d4 is the isotope labelled analog of N-Hydroxyphenylglycyl Cefadroxil. N-Hydroxyphenylglycyl Cefadroxil is a derivative of Cefadroxil (C235750), which is a semi-synthetic cephalosporin antibiotic.
References Muggleton, et al.: Antimicrob. Agents Chemother., 253 (1968), Marrelli, L.P., et al.: Anal. Profiles Drug Subs., 4, 21 (1975),