Toxicology

Applications Labelled Aldicarb (A514650). Aldicar is used as an insecticide. Used in Pesticide detection.
References Ashby, J., et al.: Environ. Mutagen., 7, 919 (1985), Ashby, J., et al.: Mutat. Res., 257, 229 (1991), Kazius, J., et al.: J. Med. Chem., 48, 312 (2005), Benigni, R., et al.: Mutagenesis, 25, 335 (2010),

Applications A deuterated version of Meprobamate, an anxiolytic.This is a controlled substance. Liscence required.
References Summerfield, S., et al.: J. Pharmacol. Exp. Ther., 322, 205 (2007), Ma, C., et al.: J. Pharm. Biomed. Anal., 47, 677 (2008), Cone, E., et al.: J. Anal. Toxicol., 33, 1 (2009),

Applications Isotope labelled Metolachlor (M338702), which is an acyanilide herbicide similar to selective pre-emergence herbicides (1). It is a contaminant in the groundwater and potential pollutant (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. McGahen, L. et al.: J. Agric. Food Chem. 1978 26 (2), pp 414–4192. Chesters, G. et al.: Rev. Environ Contam Toxicol. 1989;110:1-74.

Applications 13-O-Methylamphotericin B is an antifungal. 13-O-Methylamphotericin B is a derivative of Amphotericin B (A634250), a polypeptide antibiotic active against gram positive bacteria. Antifungal.
References Taylor, A.W., et. al.: J. Antibiot., 46, 486 (1993); Asher, I.M., et al.: Anal. Profiles Drug Subs., 6, 1, (1977)

Applications Pharmaceutic aid (emulsifying agent).
References Lewis, G., et al.: Int. J. Pharm., 3, 319 (1979); Ruelle, P., et al.: J. Pharm. Sci., 33. 396 (1994);

Applications A novel labelled HIV reverse transcriptase inhibitor useful in treatment of HIV infection.
References Scholler-Gyure, M., et al.: J. Clin. Pharmacol., 48, 322 (2008), Thakur, A., et al.: Eur. J. Med. Chem., 43, 471 (2008),

Applications Oseltamivir Namino-fructosyl Conjugate is derived from Oseltamivir Phosphate (O701000), which is an orally active inhibitor of influenza virus neuraminidase; converted in vivo to the active acid metabolite. An antiviral drug. It is a COVID19-related research product.
References Oliyai, R., et al.: Pharm. Res., 15, 1300 (1998), Kim, C.U., et al.: Med. Chem. Res., 8, 392 (1998), Hayden, F.G., et al.: N. Engl. J. Med., 341, 1336 (1999), Treanor, J.J., et al.: J. Am. Med. Assoc., 283, 1016 (2000)

Applications Bedaquiline is a diarylquinoline derivative that acts as a mycobacterial inhibitor. Bedaquiline shows promise as potential drug in the treatment of tuberculosis.
References de Jonge M.R. et al.: Proteins, 67, 971 (2007); Diacon A.H. et al.: N. Eng. J. Med., 360, 2397 (2009);

Applications Intermediate in the preparation of D-threo-Methylphenidate (Ritalin)

Applications Labelled ester analog of Rapamycin.
References Raymond, E., et al.: J. Clin. Oncol., 22, 2336 (2004), Galanis, E., et al.: J. Clin. Oncol., 23, 5294 (2005)

Applications Androgen. It has been used as an androgenic agent. Controlled substance (anabolic steroid).
References Bichet, N., et al.: Toxicol. Appl. Pharmacol., 106, 509 (1990), Gustafson, D., et al.: Toxicol. Sci., 53, 245 (2000), Copple, B., et al.: Toxicol. Sci., 77, 172 (2004), Takashima, K., et al.: Life Sci., 78, 2787 (2006),

Applications is an isotopic labeled compound of Acetamiprid-N-desmethyl (C428803); an acetamipride-Metabolite that performs insecticidal and neuroblocking activities in animals.
References Kiriyama, K., et al.: J. Pest. Sci., 28, 17 (2003); Gbylik-S., et al.: J. Chromatogr. B: Analyt. Technol. Biomed. Life Sci., 990, 132 (2015)

Stability Temperature Sensitive
Applications Anabolic steroid. Androgen.Controlled substance.
References Schanzer, W., et al.: Clin. Chem., 42, 1001 (1996), Kicman, A., et al.: Br. J. Pharmacol., 154, 502 (2008), Fragkaki, A., et al.: Steroids, 74, 172 (2009),

Applications A peripheral benzodiazepine GABAA receptor ligand, a new anxiolytic.
References Min, D., et al.: Pharmacotherapy, 12, 68 (1992), Rothwell, C., et al.: J. Toxicol. Sci., 27, 35 (2002), Gonzalez-Diaz, H., et al.: Bioorg. Med. Chem. Lett., 15, 1651 (2005), Boelsterli, U., et al.: Curr. Drug Metab., 7, 715 (2006), Rietjens, I., et al.: Chem. Res. Toxicol., 19, 977 (2006),

Applications Clothianidin-d3 (N-methyl-d3) (CAS# 1262776-24-8) is a useful isotopically labeled research compound. This compound can be used to detect trace levels of neonicotinoid insecticides in honey bee royal jelly using ultra-sound assisted liquid-liquid extraction-UHPLC/MS.
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 Giroud, B., et.al., Microchemical J., 151,104249,(2019);

Applications Labelled Bortezomib, which the first proteasome inhibitor to be approved by the US FDA for multiple myeloma, a blood cancer. A reversible inhibitor of the 26S proteasome-a barrel-shaped multiprotein particle found in the nucleus and cytosol of all eukaryotic cells.d6-3%d7-10%d8-86%
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 Nawrocki, S.T., et al: Cancer Research, 65, 11510 (2005)

Applications 1,4-Dihydro-1-methyl-4-oxo-3-pyridinecarboxamide-d3 is the isotope labelled analog of 1,4-Dihydro-1-methyl-4-oxo-3-pyridinecarboxamide (D453415); a compound that has been shown to be one of the potential novel biomarkers of peroxisome proliferation in the rat.
References Ringeissen, S., Biomarkers, 8, 240 (2003); Shibata, K., et al.: Biosci. Biotech. and Biochem., 77, 2105 (2013)

Stability Hygroscopic
Applications Zoledronic-d3 Acid is the labeled analogue of Zoledronic Acid (Z623500), a biphosphonate bone resorption inhibitor.
References Green, J.R., et al.: J. Bone Min. Res., 9, 745 (1994); Risser, F., et al.: J. Pharm. Biomed. Anal., 15, 1877 (1997); Body, J.J., Cancer, 80, 1699 (1997)

Applications Eltenac is a nonsteroidal anti-inflammatory drug.
References Allen, A., et al.: Gut, 21, 249 (1980), Tobin, T., et al.: J. Vet. Pharmacol. Therap., 9, 1 (1986),

Applications It is a peroxisome proliferator-activated receptor (PPAR) α/γ dual agonist.
References Barlocco, D., et al.: Curr. Opin. Invest. Drugs, 6, 427 (2005), Devasthale, P.V., et al.: J. Med. Chem., 48, 2248 (2005), Kendall, D.M., et al.: Diabetes care, 29, 1016 (2006),

Applications N-Desmethylthiamethoxam-D4 is an impurity of thiamethoxam and an isotope labelled compound of N-Desmethylthiamethoxam (D292485). Thiamethoxam is a hepatotoxic insecticide in mice.
References Swenson, T. L., et al.: Toxicol. Lett., 216, 139 (2013); Karmakar, R., et al.: Pest Manag. Sci, 65, 931 (2009)

Applications An Androgen.Controlled substance.
References Alikhan, A., et al.: J. App. Toxicol., 29, 590 (2009), Christy H., et al.: J. Steroid Biochem. Mol. Biol., 116, 171 (2009), Li, C., et al.: Steroids, 75, 859 (2010),

Stability Light Sensitive
Applications alpha-Tocotrienol is an antioxidant.

Applications Testosterone 17β-Carboxylic Acid is an intermediate in the synthesis of the drugs Dutasteride (D735000) and Finasteride.
References Brooks, J., et al.: Annu. Drug Data Rep., 14, 996 (1992), Lam, J., et al.: Urology, 61, 354 (2003), Tarter, T., et al.: Curr. Pharm. Des., 12, 775 (2006), Aggarwal, S., et al.: Steroids, 75, 109 (2010),

Applications A labelled antipruritic. Antibacterial, antimicrobial 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 Robinson, et al.: J. Pharm. Pharmacol., 18, 19 (1966); Abdel-Moety, E., et al.: Eur. J. Pharm. Sci., 5, 1 (1997); Basavaiah, K., et al.: Chem. Pharm. Bull., 47, 1351 (1999);

Applications Nemonapride is a selective dopamine D2 receptor antagonist. Nemonapride is used as an antipsychotic.
References Yamamoto, M., et al.: Neuropharmacology, 21, 945 (1982), Grewe, C.W., et al.: Eur. J. Pharmacol., 81, 149 (1982), Satoh, K., et al.: Int. Clin. Psychopharmacol., 11, 279 (1996)

Applications Lofentanil is a very potent and long-acting opiate agonist.
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 Lembeck, F., Donnerer, J.: Eur. J. Pharmacol., 114, 241 (1985)

Applications The main basic metabolite of Diethylpropione.
References Banci, F., et al.: Arzneim.-Forsch., 21, 1616 (1971), Mikhailova, D., et al.: Eur. J. Med. Chem., 13, 49 (1978),

Applications An inhibitor of carnitine palmitoyltransferase A (CPT1), which is required for the oexidation of long-chain acyl CoA esters. A strong inhibitor of mitochondrial CPT1 and is a candidate as an anti-diabetic drug.
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 Lopaschuk, G., et al.: Mol. Cell. Biochem., 88, 175 (1989), Reinauer, H., et al.: J. Clin. Chem .Clin. Biochem., 28, 335 (1990),

Stability Hygroscopic
Applications 3-Hydroxybutyrylcarnitine is a reagent used to study acylcarnitine profile in thyroid disease.
References Wong, S., et al.: Clinical Biochem., 46, 180 (2013); Alu, F., et al.: Heredity, 110, 253 (2013); Adam, B., et al.: Clinical Biochem., 44, 1445 (2011)

Applications A labelled form of Ethoprophos (E890530), which is an organophosphate non-systemic nematicide and soil insecticide.
References Lehotay, S. J.; Chromatographia (2018).

Impurity Levofloxacin Descarboxy Impurity
Applications A degradation product of Levofloxacin (L360000).
References Wong, F., et al.: J. Pharm. Biomed. Anal., 15, 765 (1997), Singh, G., et al.: Pharmazie, 43, 134 (1988), Radi, A., et al.: Talanta, 58, 319 (2002),

Impurity Adapalene USP Related Compound B
Applications Adapalene intermediate, an ester of Adapalene. Adapalene USP Related Compound B.
References Charpentier, B., et al.: J. Med. Chem., 38, 4993 (1995),

Stability Hygroscopic, Light Sensitive, Temperature Sensitive
Applications Fluvastatin 3-Hydroxy-4,6-diene Sodium Salt is a metabolite of Fluvastatin (F601250), a synthetic HMG-CoA reductase inhibitor. Antilipemic.
References Yuan, J., et al.: Atherosclerosis, 87, 147 (1991), Tse, F.L.S., et al.: J. Clin. Pharmacol., 32, 630 (1992), Dain, J.G., et al.: Drug Metab. Disposit., 21, 567 (1993),

Stability Hygroscopic
Applications 4-Chlorophenylcyanamide is an intermediate used in synthesis of N-(4-Chlorophenyl)-O-methylisourea Sulfate Salt (~90%) (C378465), which is a cytotoxic agent which displays tumor inhibitory activity.
References Hendry, J. et al.: Brit. J. Pharmacol. Chemother., 6, 201 (1951);

Applications Deschloro-2-phenylsulfonyl-thiamethoxam is an impurity of thiamethoxam (T344180), which is a neonicotinoid insecticide. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens.
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)

Applications A metabolite of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.
References Smith, S., et al.: Am. J. Cardiol., 80, 10H (1997), Jacobsen, W., et al.: Drug Metab. Dispos., 28, 1369 (2000), Istvan, E., et al.: Science, 292, 1160 (2001), Tabernero, L., et al.: J. Biol. Chem., 278, 19933 (2003), Bratton, L., et al.: Bioorg. Med. Chem., 15, 5576 (2007),

Applications Anabolic steroid. Controlled substance.
References Schneider, M., et al.: J. Biotechnol., 46, 161 (1996), Bao, S., et al.: Biol. Reprod., 62, 616 (2000), Imamura, T., et al.: J. Biol. Chem., 280, 20171 (2005),

Applications 7-Hydroxy-furo[3,4-b]pyrazin-5-one is a derivative of 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one (C379925) which is an impurity of Eszopiclone (E889150), a nonbenzodiazepine hypnotic agent used as a treatment for insomnia.
References Gottesmann, C., et al.: Eur. J. Neurosci., 10, 409 (1998), Yoshimoto, M., et al.: Eur. Neuropsychopharmacol., 9, 29 (1999),

Impurity Cefotaxime Sodium EP Impurity E
Applications 3-Desacetyl Cefotaxime Lactone is an impurity of Cefotaxime sodium (C242950). 3-Desacetyl Cefotaxime Lactone is also a degradation product for other cephalosporin antibiotics such as: Ceftriaxone (C245000), Cefodizime and Ceftiofur (C244700).
References Amaker, R., et al.: Antimicrob. Agents Chemother., 40, 1139 (1996), Taylor, P., et al.: Clin. Biochem., 38, 328 (2005),

Applications Testosterone (T155000) derivative.
References McFarland, K., et al.: Science, 245, 494 (1989), Heckert, L., et al.: Mol. Endocrinol., 12, 1499 (1998), Themmen, A., et al.: Endocr. Rev. 21, 551 (2000), Kumar, R., et al.: Biol. Reprod., 65, 710 (2001),