Toxicology

Applications Isotope labelled enantiomer of Voriconazole (V760000), an antifungal agent and an 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),

Applications Prazosin is a useful α1 and α2B-adrenoceptor antagonist.

Impurity Doxycycline Related Compound A
Stability Hygroscopic, Light Sensitive, Temperature Sensitive
Applications 6-Epi Doxycycline is an antibiotic used in the treatment of bacterial and certain parasitic infections. Doxycycline Related Compound A
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 Jutglar, M., et al.: J. Pharm. Biomed. Anal., 159, 60 (2018); Metsemakers, W., et al.: J. Control. Release, 209, 47 (2015)

Stability Hygrscopic
Applications Emtricitabine Tenofovir Monosoproxil is a derivative of Emtricitabine (E525000). Emtricitabine is a reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner.
References FASEB J., 13, 1511 (1999), Molina, J.-M., et al.: J. InfecSchinazi, R.F., et al.: Antimicrob. Ag. Chemother., 36, 2423 (1992), Shockeor, J.P., et al.: Xenobioica, 26, 189 (1996), Feng, J.Y., et al.: . Dis., 182, 599 (2000)

Applications Clindamycin is a semi-synthetic antibiotic. Antibacterial.
References Birkenmeyer, R.D., et al.: J. Med. Chem., 13, 616 (1970); Oesterling, et al.: J. Pharm. Sci., 59, 63 (1970); Gray, J.E., et al.: Toxicol. Appl. Pharmacol., 21, 516 (1972); Brown, L.W., et al.: Anal. Profiles Drug Subs., 10, 75 (1981);

Applications L-(-)-Carnitinamide chloride is can be employed as a bactericide. The compound is derived from L-Carnitine (C184110) which is used to prevent and treat a lack of carnitine.
References Pallavicini, Marco., et al.: Tetrahedron: Asymmetry., 18, 906-909 (2007); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002), Karlic, H., et al.: Nutrition, 20, 709 (2004),

Applications Aclarubicin is an anthracycline antibiotic. It is used in the treatment of cancer.
References Magi, S., et al.: J. Antibiot., 66, 165 (2013); Wakabayashi, I., et al.: Biochem. Pharmacol., 59, 719 (2000); Viadro, M., et al.: Antibiot Khimioter, 36, 20 (1991);

Applications L-erythro-Chloramphenicol functions as a potent inhibitor of electron transport in the mitochondria in biological studies. The L-isomer can be identified from the other CAP-isomers through reversed phase and chiral liquid chromatography in combination with tandem mass spectrometric detection.
References Berendsen, B., et al.: Anal. Chim. Acta., 700, 78 (2011), Wilson, S.B., et al.: Biochim. Biophys. Acta., 292, 603 (1973)

Applications (1S,2R)-2-((Benzyloxy)methyl)cyclopent-3-enol is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection.
References Gathergood, N., et al.: J. Org. Chem., 66, 1014 (2001);

Applications Nandrolone-13C2 Benzoate is the isotope analog of Nandrolone Benzoate. Nandrolone Benzoate is a steroid that has effect on gondatropin and muscles, which is derived from Nandrolone (an anabolic steroid).
References Lerner, L.J., et al.: Endocrinology, 64, 1010 (1959); Gradeen, C., et al.: J. Anal. Toxicol., 14, 120 (1990); Teale, P., et al.: Biol. Mass Spectrom., 20, 109 (1991); Yamada, M., et al.: J. Pharm. Biomed. Anal., 45, 125 (2007); Yamada, M., et al.: J. Anal. Toxicol., 32, 387 (2008)

Applications Fluorinated quinolone antibacterial. An enantiomer of Levofloxacin (L360000).
References Hwangbo, H.J. et al.: Eur. J. Pharmac. Sci., 18, 197 (203); Gascon, A.R. et al.: J. Clin. Pharmacol, 40, 869 (2000); Monk, J.P., et al.: Drugs, 33, 346 (1987); Drlica, K., Curr. Opin. Microbiol. 2, 504 (1990);

Applications An active metabolite of Glimepiride.
References Muller, G., et al.: Diabetes, 42, 1852 (1993), Kramer, W., et al.: Biochem. Biophys. Acta, 119, 278 (1994),

Applications It is a bisbiguanide with bacteriostatic activity. Antiseptic; disinfectant.
References Davies, G.E., et al.: Br. J. Pharmacol., 9, 192 (1954), Foulkes, D.M., et al.: J. Periodontal Res., 8, 55 (1973),

Applications Isotope labelled Diethyl Oxalate is used in the synthesis of novel indole β-diketo acid derivatives as HIV-1 integrase inhibitors.
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 Sechi, M., et al.: J. Med. Chem., 47, 5298 (2004);

Applications A deuterated prodrug of Penciclovir (P221500), which is used as an antiviral.
References Hodge, V.R.A., et al.: Antimicrob. Ag. Chemother., 33, 1765 (1989),

Applications 2-Ethylhexyl Salicylate-d4 is an isotopic analog of 2-Ethylhexyl Salicylate (E918775), a skin penetration enhancer that increases drug diffusivity in the skin that has been used in sunscreen products.
References Santos, P., et. al.: Int. J. Pharmaceut., 439, 260 (2012); Rigon, R.B., et. al.: Int. J. Pharm. Pharmaceut. Sci., 5, 306 (2013)

Applications Metolachlor ESA Sodium Salt is a salt of Metolachlor ESA (M338860), a synthetic herbicide that belongs to the chloroacetanelide. It is commonly used in agriculture.
References Mai, H., et al.: Aquat. Toxicol. 147, 48 (2014); McCarty, G. W., et al.: Sci Total Environ 473-474, 473 (2014);

Applications A deuterated metabolite of the potent and selective inhibitor of HIV-1 replication, AZT.This compounds contains Sodium Chloride. Water content not determined.

Applications Huanbifucaotong is used in herbicidal compositions for controlling weeds and other harmful plants.
References Zhao, N., et al.: Pest Manag. Sci., 75, 3175 (2019); Bayer A.-G., et al.: From Eur. Pat. Appl. (2020), EP 3639665 A1 20200422;

Applications METHYL 3,4,5-TRIMETHOXYCINNAMATE (cas# 20329-96-8) is a useful research chemical.

Applications (±)-Cyhalothric acid (CAS# 68127-59-3) is a useful research chemical compound.

Stability Hygroscopic
Applications An amino alcohol metabolite of nicotine, and precursor to NNK.

Stability Very Hygroscopic
Applications 4-(p-Chloro-α-phenylbenzyl)-1-piperazineethanol is used in the synthesis of antifungal triazole and imidazole derivatives. Impurity of an intermediate in the formation of Cetrizine.
References Rezaei, Z. et al.: Archiv. Pharm., 344, 658 (2011)

Applications 25-Deacetyl-21-acetyl Rifampicin is a structural isomer, and impurity, of Rifampicin (R508000), a semisynthetic antibiotic. Antibacerial (tuberculostatic).
References Furesz, et al.: Antibiot. Chemother., 16, 316 (1970), Gallo, G.G., et al.: Anal. Profiles Drug Subs., 5, 467 (1976),

Applications Labelled analogue of (S)-(-)-Nicotine, a prototype nicotinic acetylcholine receptor agonist. (S)-(-)-Nicotine is the naturally occurring isomer. Nicotine can be absorbed through the alimentary canal, respiratory tract and intact skin. Nicotine is used in the treatment of smoking withdrawal syndrome. Nicotine has been used as an anthelmintic.
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 Geffken, D. et al.: Am. J. Epidemiol., 153, 242 (2001); Bolego, C. et al.: Cardiovasc. Res., 53, 568 (2002); Leone, A. et al.: Curr. Pharm. Des., 1, 2199 (2005);

Applications Polythiazide is a thiazide diuretic. Polythiazide is used in the treatment of hypertension as well as nephrotic syndrome, cirrhosis of the liver, and nutritional edema.
References Kaur, J. et al.: J. Ind. Med. Assoc., 48, 13, (1967); Lund-Johansen, P.: Acta Med. Scand., 187, 509 (1970); O'Brien, E.T. et al.: Br. Heart J., 34, 1042 (1972);

Applications Cabotegravir O-β-D-Glucuronide is a metabolite of Cabotegravir (C050100), a long acting HIV-1 integrase inhibitor with action against a broad range of HIV subtypes.
References Yoshinaga, T. et al.: Antimicrob, Agents Chemother., 59, 397 (2015); Andrews, C. et al.: Sci. Transl. Med., 7, 270 (2015)

Stability Hygroscopic
Applications Dihydro Caffeic Acid 3-O-β-D-Glucuronide is a glucuronide metabolite of Caffeic Acid (C080000).
References Clifford, M., et al.: J .Agric. Food Chem., 53, 3821 (2005), Lafay, S., et al.: J. Nutr., 136, 1192 (2006), Poquet, L., et al.: Drug Metab. Dispos., 36, 190 (2008)

Applications Cefoxitin is a semi-synthetic antibiotic derived from Cephamycin C, possessing high resistance to β-lactamase inactivation. An antibacterial.
References Wallick, H., et al.: Antimicrob. Agents Chemother., 5, 25 (1974), Brenner, G.S., et al.: Anal. Profiles Drug Subs., 11, 169 (1982),

Applications Isotope labelled analogue of Bifendate (B382890), a synthetic intermediate of Schisandrin C and also a anti-HBV drug used in the treatment of chronic hepatitis B.
References Pan, S.Y., et al.: Euro. J. Pharmacol. 522, 170 (2006); Zeng, Y., et al.: Acta. Pharmacol. Sinica., 30, 478 (2009);

Applications A metabolite of Testosterone (T155000) in human. Controlled substance.
References Seckl, J., et al.: Steroids, 62, 89 (1997), Reynolds, R., et al.: J. Clin. Endocrinol. Metab., 86, 245 (2001), Wolf, C., et al.: Toxicol. Sci. 65, 71 (2002), Borlak, J., et al.: Drug Metab. Dispos., 32, 675 (2004),

Applications 2,4,6-Trichlorophen-3,5-d2-ol is an impurity in the synthesis of isotope labelled Triclosan which is used as bactericide and preservative for cosmetic and detergent compositions (1). Broadly used as an antiseptic and disinfectant (2). This compound is a contaminant of emerging concern (CECs). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.

Stability Hygroscopic
Applications Fosetyl Aluminum-d15 is a deuterated version of Fosetyl Aluminum (F727450), a fungicide. Fosetyl Aluminum has a potent inhibitory activity against several species of Phytophthora.
References Fenn, M., et al.: Phytopathology, 74, 606 (1984); Matheron, M., et al.: Plant Disease, 84, 454 (2000)

Applications Dorzolamide Maleic Acid Adduct, is the isomeric adduct resulting from the nucleophilic addition of Dorzolamide (D535100) to Maleic Acid. Dorzolamide, is a carbonic anhydrase inhibitor. It is an anti-glaucoma agent, and acts by decreasing the production of aqueous humour. It is used in the form of eye drops.
References Lippa, E.A., et al.: Ophthalmology, 98, 308 (1991), Wang, R.-F., et al.: Arch. Ophthalmol., 109, 1297 (1991), Whikehart, D., et al.: J. Ocul. Pharmacol., 7, 195 (1991), Sjoquist, B., et al.: Drug Metab. Dispos., 26, 745 (1998),

Applications Nucleoside analog; specific inhibitor of hepatitis B virus (HBV) replication. Antiviral.
References Standring, D.N., et al.: Antiviral. Chem. Chemother., 12, 119 (2001), Hernandez-Santiago, B., et al.: Antimicrob. Agents Chemother., 46, 1728 (2002), Lai, C.-L., et al.: Hepatology, 40, 719 (2004), Han, S.-H.B., et al.: Expert Opin. Invest. Drugs, 14, 511 (2005),

Applications T-705RTP-13C5 Sodium Salt is a labeled salt derivative of T-705 (F103350) which has activity against the lethal H5N1 influenza A viruses.
References Yousuke, F., et al.: Antimicrob Agent Chemother., 49, 981 (2005); Kiso, M., et al.: Proc. Natl. Acad. Sci. U.S.A., 107, 882 (2010)

Applications Isotope labelled ethyl alcohol, used in alcoholic beverages in suitable dilutions. Other uses are as solvent in laboratory and industry , in the manufacture of denatured alcohol, pharmaceuticals, in perfumery, in organic synthesis. Used as antiseptic.
References Wiberg, G.S., et al.: Toxicol. Appl. Pharmacol., 16, 718 (1970), Brown, N.A., et al.: Science, 206, 573 (1979),

Applications Atazanavir is a novel azapeptide HIV protease inhibitor (PI). Antiviral.
References Palella, F.J. Jr., et al.: N. Engl. J. Med., 338(13), 853 (1998), Nolan, D., et al.: Drugs, 63(23), 2555 (2003), Musial, B.L., et al.: Am. J. Health Syst. Pharm., 61, 1365 (2004), Wood, R., et al.: J. Acquir. Immune Defic. Syndr., 36, 684 (2004),

Applications 8-Epitacrolimus is a new l-pipecolic acid macrolide lactone, an important immunosuppressive drug that blocks T cell proliferation in vitro by inhibiting the generation of several lymphokines, especially IL-2. 8-Epitacrolimus is also an Epimer of Tacrolimus (F370000).
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 Skytte, D.M., et al.: J. Nat. Prod.,73, 776 (2010); Rokaw, M.D., et al.: Am. J. Physiol., 271, C194 (1996); Knoll, G.A., and Bell, R.C.: Brit. Med. J., 318, 1104 (1999);

Applications The main cis-monohydroxylated metabolite of Praziquantel (P702095).
References Buehring, K., et al.: Eur. J. Drug Metab. Pharm., 3, 179 (1978), Moldeus, P., et al.: Methods Enzymol., 52, 60 (1978), Cioli, D., et al.: Pharmacol. Ther., 68, 35 (1995),

Applications Trimethoprim lactate salt is an antibacterial agent.
References Lees, G. et al.: Brit. J. Pharmacol., 73, 535 (1981);