Toxicology

<p>Applications An anticholinergic. Used as an antispasmodic.<br>References Zhang, L., et al.: Pharm. Res., 25, 1902 (2008), Sanderson, H., et al.: Toxicol Lett., 187, 84 (2009),<br></p>

<p>Stability Hygroscopic<br>Applications Propoxycarbazone sodium salt<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications Paraquat Monopyridone Iodide is a metabolite of Paraquat (P191900), a commonly used heribicide.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Fuke, C., et al.: Arch. Toxicol., 70, 504 (1996); Heylings, J.R. et al.: Toxicology, 241, 1 (2007); Wibawa, W., et al.: Int. J. Agric. Biol., 11, 145 (2009); Franco, R. et al.: Chem.-Biol. Inter., 188, 289 (2010);<br></p>

<p>Stability Light Sensitive<br>Applications Ciprofibrate Ethyl Ester is an impurity of ciprofibrate(C482475) is a hypolipemic agent, related structurally to Clofibrate (C586910). Ciprofibrate is used as an antilipemic.<br>References Davison, C., et al.: Drug. Metab. Dispos., 3, 520 (1975), Arnold, A., et al.: J. Pharm. Sci., et al.: 68, 1557 (1979), Tuchman-Duplessis, H., et al.: Toxicology, 12, 1 (1979),<br></p>

<p>Stability Very Hygroscopic<br>Applications Labelled Oseltamivir Acid (O700980). Oseltamivir Acid is a metabolite of Oseltamivir (O701000). It is a COVID19-related research product.<br>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)<br></p>

<p>Applications Picloram is used as a herbicide. Studies show that Picloram can reduce seed germination rate and vigor as well as seedling growth in Bidens pilosa L.<br>References Freitas, M.R., et al.: RSC Adv., 5, 7547 (2015); Tian, X., et al.: Nongyao, 53, 485 (2014)<br></p>

<p>Applications Mono N-Desmethyl Disperse Polyester Dark Blue is a disperse dye for synthetic polyester fibers. It has good heat and light resistance and is used for thermal transfer recording.<br>References Peters A. T., et al.: J. Soc. Dyers Colour, 108(7-8), 344-8 (1992)<br></p>

<p>Applications Isotope labelled Melamine (M208703), which forms synthetic resins with formaldehyde. It remains largely non-metabolized in male Wistar rats with 90% of the administered dose excreted in the urine (1,2) and thus acts as a non-protein nitrogen food additive found in milk (3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br>References 1. Mast, R. et al.: Food Chem Toxicol. 1983 Dec;21(6):807-10.2. Smith, J. et al.: Toxicol Appl Pharmacol. 1994 Apr;125(2):296-308.3. Anirudhan, T. et al.: Food Chem. 2017 Jul 15;227:85-92.<br></p>

<p>Applications Labelled selective COX-2 inhibitor<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kulmacz, R.J., et al.: J. Biol. Chem., 264, 14136 (1989), Kalgutkar, A.S., et al.: J. Med. Chem., 43, 2860 (2000), Hata, A.N., et al.: Mol. Pharmacol., 67, 640 (2005), Tuccinardi, T., et al.: J. Med. Chem., 49, 984 (2006),<br></p>

<p>Applications Estradiol-13C2 17-Benzoate is an intermediate in the synthesis of 17β-Estradiol-13C2 (E888003). Isotope labelled 17β-Estradiol (E888000) is the major estrogen (1) secreted by the premenopausal ovary (2).<br></p>

<p>Applications Heparin is a heterogeneous mixture of variably sulfated polysaccharide chains. It acts as an anti-coagulant, due to various antithrombin binding sites along the molecular structure.<br>References Kelton, J. et al.: J. Thromb. Haemost., 10, 1446 (2012); Gouin-Thibault, I. et al.: J. Thromb. Haemost., 101, 986 (2009); Merck Index 14th ed. 804;<br></p>

<p>Applications An antimalarial; antirheumatic; lupus erythematosus suppressant. It is a COVID19-related research product.<br>References Yarden, Y., et al.: Nature, 323, 226 (1986), Seifert, R., et al.: J. Biol. Chem., 264, 8771 (1989), Gahl, W., et al.: Mol. Genet. Metab., 76, 234 (2002), Card, J., et al.: Toxicol. Sci., 75, 169 (2003),<br></p>

<p>Applications (1R,3R,4R)-Entecavir is an isomeric impurity of Entecavir (E558900).<br></p>

<p>Impurity Cefpodoxime Proxetil EP Impurity E<br>Applications Cefotaxime Proxetil (Cefpodoxime Proxetil EP Impurity E) is an impurity of Cefotaxime (C242950), which is a broad spectrum third generation cephalosporin antibiotic. The name Cefotaxime applies to the isomer having a syn-methoxy imino group.<br>References Wise, R., et al.: Antimicrob. Agents Chemother., 14, 807 (1978), Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 11, 139 (1982),<br></p>

<p>Applications Cefdaloxime is an orally administered cephalosporin that has activity against Haemophilus influenzae, a bacteria that causes meningitis in humans. Cefdaloxime is also the active metabolite of HR916K, a cephalosporin ester.<br>References Jones, R. &amp; Erwin, M.: Diag. Micro. Infect. Dis., 15, 693 (1992); Jones, R. &amp; Erwin, M.: J. Clin. Micro., 30, 1297 (1992); Käyhty, R., et al.: J. Infect. Dis., 147, 1100 (1983)<br></p>

<p>Stability Hygroscopic<br>Applications An intermediate in the production of Rosuvastatin (R700500) derivatives.<br></p>

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

<p>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.<br>References Jungheim, L., et al.: J. Med. Chem., 39, 96 (1996);<br></p>

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

<p>Applications Tyloxapol, is a nonionic liquid polymer of the alkyl aryl polyether alcohol type. It is used as a surfactant to aid liquefaction and removal of mucopurulent (containing mucus and pus) bronchopulmonary secretions. Tyloxapol also blocks plasma lipolytic activity.<br>References Sehgal, S. S., et al.: J. National Med. Assoc., 86 (1), 46 (1994); Rubin, B. K., et al.: 101 (4), 1080 (1992);<br></p>

<p>Applications Diuron is a phenyl urea herbicide (1,2). Pre-emergent herbicide which may find its way into aquatic environments, and consumable fruit/vegetation (3,4). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References 1. Noseworthy, J. et al.: Weed. Tech. 2010 Jul:24(1) pp64-702. Armenta, S. et al.: Anal. Bioanal. Chem. 2010 May;397(1):297-308.3. Neuwoehner, J. et al.: Aquat. Toxicol. 2010 Apr 1;97(1):58-67.4. Wong, J. et al.: J. Agric. Food. Chem. 2010 May 26;58(10):5897-9034<br></p>

<p>Applications Terbuthylazine-(ethyl-d5) is the deuterized or labeled form of Terbuthylazine (T110500), which is a triazine herbicide.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Schenck, F., et al.: Bull Environ. Contam. Toxicol., 73, 24 (2004)<br></p>

<p>Stability Moisture sensitive<br>Applications Fenclofenac Glucuronide is a metabolite of Fenclofenac, a non-steroidal anti-inflammatory agent. Mild immunosuppressive agent.<br>References Lim, C. et al.: Metabolism, 44, 1008 (1995); Spiers, E. et al.: Int. J. Immunopharmacol., 15, 865 (1993);<br></p>

<p>Applications Triflumuron is a benzoylphenylurea insecticide. Triflumuron is a chitin synthesis inhibitor used to control insects pests such as mosquitos and flies.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Schaefer, C.H.: J. Econ. Entomol., 71, 427 (1978); Zoebelein, G. et al.: Zeitsch. Angew. Entomol., 89, 289 (1980); Chang, S.C.: J. Econ. Entomol., 77, 479 (1979);<br></p>

<p>Applications Flufenoxuron is a known insecticide and acts as an insect growth regulator by inhibiting chitin synthesis.<br>References Abbaszadeh, G., et al.: Pesticide. Res. J., 23, 52 (2011); Yang, A., et al.: Food. Control., 28, 99 (2012);<br></p>

<p>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.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>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);<br></p>

<p>Applications Labelled Secnidazole (S225000). Analog of Metronidazole. Antiamebic. Antiprotozoal (Trichomonas).<br>References Cosar, C., et al.: Arzneim.-Forsch., 16, 23 (1966), Videau, D., et al.: Br. J. Vener. Dis., 54, 77 (1978), Symonds, J., et al.: J. Antimicrob. Chemother., 5, 484 (1979),<br></p>

<p>Applications Oseltamivir Acid Hydrochloride is a metabolite of Oseltamivir (O701000), 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.<br>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)<br></p>

<p>Applications p-Salicylic Acid 4-Sulfate is a urine metabolite of Methylated paraben (B693600), an antimicrobial agent used in cosmetic products.<br>References Tsukamoto, H., et al: Chem. Pharma. Bull., 10, 86 (1962); Desai, N.B., et al.: J. Sci. Indust. Res., 14, 330 (1955);<br></p>

<p>Applications Triclabendazole Sulfone-D3 is a stable isotopically labelled metabolite of Triclabendazole (T774175), an anthelmintic.<br>References Wolff, K., et al.: Vet. Parasitol., 13, 145 (1983)<br></p>

<p>Applications Succinic Acid-1,4-13C2 (cas# 79864-95-2) is a compound useful in organic synthesis.<br></p>

<p>Applications Labelled Amprenavir, a selective HIV protease inhibitor. An analogue of Ritonavir.<br>References Adkins, J.C., et al.: Drugs, 55, 837 (1998)<br></p>

<p>Applications Digoxin derivative, a cardiotonic glycosides steroid.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yoshida, F., et al.: J. Med. Chem., 43, 2575 ( 2000), Turner, J., et al.: Pharm. Res., 21, 68 (2004), Wang, J., et al.: Anal. Chim. Acta, 601, 156 (2007),<br></p>

<p>Applications Echinacoside Ethanolate is a caffeic acid glycoside, known for its neuroprotective, antiinflammatory and anti-oxidative activities. Also an anti[proliferative towards hypoxia influenced pulmonary artery smooth muscle cells.<br>References Gai, X. et al.: J. Pharm. Sci., 126, 155 (2014);<br></p>

<p>Stability Hygroscopic<br>Applications A medicinal agent for treating viral infections.<br>References Chiou, W., et al.: J. Pharm. Sci., 60, 1281 (1971), Ford, J., et al.: J. Pharm. Pharmacol., 31, 726 (1979), Tamblyn, S., et al.: Eur. J. Epidemiol., 10, 503 (1994), Suzuki, H., et al.: Chem. Pharm. Bull., 45, 1688 (1997),<br></p>

<p>Applications Labelled Entecavir. An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process.<br>References Innaimo, S.F., et al.: Antimicrob. Agents Chemother., 41, 1444 (1997), Honkoop, P., et al.: Expert Opin. Invest. Drugs, 12, 683 (2003), Chang, T.-T., et al.: N. Engl. J. Med., 354, 1001 (2006),<br></p>

<p>Applications A nitrogenous compound from octopus muscles. It is used for producing seasoning and food additive.<br>References Brown, A., et al.: J. Gen. Microbiol., 72, 589 (1972), Larher, F., et al.: Plant Physiol. Biochem., 41, 657 (2003),<br></p>

<p>Applications Tilmicosin-d3 is the labeled analogue of Tilmicosin (T440500), a macrolide antibiotic structurally related to tylosin. Antibacterial.<br>References Debono, M., et al.: J. Antibiot., 42, 1253 (1989); Ose, E.E., et al.: Vet. Rec., 123, 367 (1988); Morck, D.W., et al.: J. Am. Vet. Med. Assoc., 202, 273 (1993)<br></p>

<p>Applications N-(Carboxymethyl)amphetamine Hydrochloride is a synthetic amphetamine-class analyte with potential pharmaceutical properties.<br>References Seiler, N. et al.: Tetrahedron Lett., 38, 4603 (1966);<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled 1,6-Anhydro-β-D-glucopyranose (A648100), an compound that have been proven to be a valuable synthon for the preparation of various biologically important and structurally diverse products (e.g. rifamycin S, indanomycin, thromboxane B2, (+)-biotin, tetrodotoxin, quinone, and macrolide antibiotics) as well as for modified sugars.<br>References Fraser-Reid, B., et al. J. Am. Chem. Soc. 106, 731 (1984); Edwards, M.P., et al. J. Org. Chem. 49, 3503 (1984); Kelly, A.G., and Roberts, J.S. J. Chem. Soc., Chem. Commun. 228, (1980); Ogawa, T., et al. Carbohydr. Res. 57, C31 (1977); Isobe, M., et al. Tetrahedron Lett. 28, 6485 (1987);<br></p>

<p>Applications Roscovitine is a potent and selective inhibitor of cyclin-dependent kinases (CDKs). Roscovitine has been found to produce apoptosis in treated cancerous cells of non-small cell lung cancer (NSCLC) and other cancers. Studies show that Roscovitine displays increased anti-mitotic activity at the G1/S and G2/M phases of the cell cycle. Roscovitine maybe useful in the treatment of non-small cell lung cancer (NSCLC), leukemia, HIV infection, herpes simplex infection, and the mechanisms of chronic inflammation disorders.<br>References De Azevedo, W.F. et al.: Eur. J. Biochem., 43, 518 (1997); Planchais, S. et al.: Plant J., 12, 191 (1997); Mgbonyebi O.P. et al.: Anticancer Res., 18, 751 (1998); MacCallum, D.E. et al.: Cancer Res., 65, 5399 (2005);<br></p>

<p>Applications (R)-3-Aminobutan-1-ol, can be used as an intermediate in the preparation of compounds having HIV integrase inhibitory activity.<br>References Johns, B. et al.: J. Med. Chem., 56, 5901 (2013);<br></p>

<p>Applications CRL-40,941 is a wakefulness-promoting agent. It was found to produce antiaggressive effects in animals.<br>References Lafon, L.: US4489095 (A) (1984)<br></p>

<p>Applications Florasulam is a triazolopyrimidine sulfonamide compound that is used as a post emergence herbicide. Florasulam is often used to control dandelion populations in wheat fields.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Krieger, M., et al.: J. Agr. Food Chem., 48, 3710 (2000); Li, Z., et al.: Bull. Environ. Cont. Toxicol., 90, 280 (2013)<br></p>

<p>Stability Very Hygroscopic<br>Applications Labelled Metaproterenol (M225835). Bronchodilator.<br>References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971),<br></p>

<p>Stability Hygroscopic<br>Applications A new analgesic.<br>References de Julian-Ortiz, J., et al.: J. Med. Chem., 42, 3308 (1999), Roy, K., et al.: Bioorg. Med. Chem., 12, 745 (2004), Garcia-Garcia, A., et al.: J. Antimicrob. Chemother., 53, 65 (2004),<br></p>

<p>Applications 2,2-Difluoro-1,3-benzodioxole-4-carboxylic acid<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications A metabolite of Norfloxacin (N681000).<br>References Uno, T., et al.: J. Med. Chem., 33, 2929 (1990),<br></p>

<p>Stability Hygroscopic<br>Applications 4-Hydroxy Estrone 1-N7-Guanine is an estrogen metabolite formed with DNA which can lead to the mutations that initiate breast, prostate, and other types of cancer. Estrogen-DNA depurinating adducts as biomarkers of cancer risk and their use in cancer detection and prevention.<br>References Chakravarti, D., et al.: Mutat. Res., 456, 17 (2000), Liehr, J., et al.: Endocr. Rev., 21, 4054 (2000), Chakravarti, D., et al.: Oncogene, 20, 7945 (2001), Cavalieri, E., et al.: Chem. Res. Toxicol., 14, 1041 (2002),<br></p>

<p>Applications (-)-Carbovir, is a nucleoside/nucleotide reverse transcriptase inhibitor (NRTI) caused mitochondrial toxicity in human hepatoma carcinoma cell.<br>References Suo, Z., et al.: J. Biol. Chem., 273, 27250 (1998), Ray, A., et al.: Antimicrob. Agents Chemother., 48, 1089 (2004), Lynx, M., et al.: Biochem. Pharmacol., 71, 1342 (2006),<br></p>

<p>Impurity Hydrochlorothiazide EP Impurity C<br>Applications N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide (Hydrochlorothiazide EP Impurity C) is an impurity in bulk Hydrochlorothiazide. Dimer Impurity C.<br>References Daniels, S.L., et al.: J. Pharm. Sci., 70, 211 (1981), Fang, X., et al.: Pharm. Res., 14, 691 (1997),<br></p>

<p>(1α)-17-(Acetyloxy)-6-chloro-1-(chloromethyl)-pregna-4,6-<br>diene-3,20-dione; 6-Chloro-1α-(chloromethyl)-17-<br>hydroxypregna-4,6-diene-3,20-dione Acetate; Cyproterone<br>Acetate EP Impurity C</p>

<p>Applications Aclonifen-d5, is the labeled analogue of Aclonifen, which is used as a pesticide and herbicide.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Laini, A., et al.: Sci. Total Environ., 438, 312 (2012); Fantke, P., et al.: Enviorn. Int., 49, 9 (2012);<br></p>

<p>Stability Hygroscopic<br>Applications Pancratistatin acts as an anti-cancer compound that initiates cell-death in cancer cells.<br>References McLachlan, A. et al.: Apoptosis, 10, 619 (2005);<br></p>

<p>Applications Clopidogrel derivative. It is used as internal standard.This compound is a single pair of enantiomers but the relative stereochemistry is unknown.<br>References Savi, P., et al.: Biochem. Pharmacol., 44, 527 (1992), Pereillo, J., et al.: Drug Metab. Dispos., 30, 1288 (2002), Ksycinska, H., et al.: J. Pharm. Biomed. Anal., 41, 533 (2006), Farid, N., et al.: Clin. Pharmacol. Ther., 81, 735 (2007),<br></p>

<p>Impurity Azithromycin EP Impurity L<br>Applications Azithromycin N-Oxide (Azithromycin EP Impurity L) is an Azithromycin (A927000) impurity. A degradation products of Azithromycin.<br>References Anon., et al.: Pharmaeuropa, 13, 750 (2001),<br></p>

<p>Stability Hygroscopic<br>Applications Used in the preparation of indolizine compounds for use in antifungal combination therapy.<br></p>

<p>Applications The major metabolite of Deflazacort.<br>References Bernareggi, A., et al.: J. Pharma. Biomed. Anal., 5, 177-81 (1987), Assandri, A., et al.: Xenobiotica, 13(3), 185 (1983), Martinelli, E., et al.: Drug Metab. Dispos., 7, 335 (1979),<br></p>

<p>Applications 3-O-(E)-Feruloylquinic Acid is a phenolic acid with potential antioxidant and antifungal activities. Secondary metabolite in the coffee brewing process.<br>References Dzamic, A. et al.: Ind. Crop. Prod., 51, 407 (2013); Stalmach, A. et al.: Food. Func., 5, 1727 (2014); Matei, M. et al.: J. Agri. Food Chem., 60, 12105 (2012); Dokli, I. et al.: Tetrahedron Asymm., 24, 785 (2013);<br></p>

<p>Applications An antibacterial.<br>References Bauernfeind, A.: J. Antimicro. Chemother., 40, 639 (1997), Fukuda, H., et al.: Antimicrob. Ag. Chemother., 42, 1917 (1998),<br></p>

<p>Applications Combined serotonin (5HT2) and dopamine (D2) receptor antagonist; structurally related to Mianserin. Antipsychotic.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Meltzer, H., et al.: J. Pharmacol. Exp. Ther., 251, 238 (1989), Schotte, A., et al.: Brain Res., 631, 191 (1993), Andree, B., et al.: Psychopharmacology, 131, 339 (1997), Richelson, E., et al.: Life Sci., 68, 29 (2000),<br></p>

<p>Applications Febuxostat-d7, is the labeled analogue of Febuxostat-d7 (F229000), a Xanthine oxidase/xanthine dehydrogenase inhibitor. Used for treatment of hyperuricemia and chronic gout.<br>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),<br></p>

<p>Applications Mesocarb is a CNS stimulant that acts as a dopamine reuptake inhibitor. Mesocarb is a psychotropic drug. Mesocarb is used to counteract the sedative effects of benzodiazepine drugs.<br>References Gainetdinov, R.R. et al.: Eur. J. Pharmacol., 340, 53 (1997); Kholodov, L.E. et al.: Khim.-Farmat. Zhur., 7, 50 (1973); Valueva, L.N. et al.: Zhur. Nevropatol. Psikh. S. S. Korsak., 82, 1212 (1982);<br></p>

<p>Impurity Cefoperazone EP Impurity E<br>Stability Hygroscopic<br>Applications 7-Aminocephalosporanic Acid (Cefoperazone EP Impurity E) is the starting material for semi-synthetic cephalosporins. Obtained by mild acid hydrolysis of cephalosporin C.<br>References Matsuda, A., et al.: J. Bacteriol., 169, 5815 (1987), Aramori, I., et al.: J. Ferment. Bioeng., 72, 227 (1991), Park, S., et al.: J. Biosci. Bioeng., 94, 218 (2002), Takimoto, A., et al.: Appl. Microbiol. Biotechnol., 65, 263 (2004),<br></p>

<p>Applications A metabolite of polycyclic aromatic hydrocarbons in humans.<br>References Jacob, J., et al.: Xenobiotica, 12, 45 (1982), Becher, G., et al.: Cancer Lett., 17, 301 (1983), Hoffmann, D., et al.: Cancer Treat. Res., 72, 1 (1995), Einolf, H., et al.: Chem. Res. Toxicol., 10, 609 (1997),<br></p>

<p>Applications An antipsychotic.A representative lot was 92% d8, 8% d7.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Stille, et al: Farnaco, Ed. Prat., 26, 603 (1971), Hane, J.M., et al.: Psychopharmacol. Bull., 24, 62 (1988), Meltzer, H.Y.: J. Clin. Psychiatry, 55, Suppl. B, 47 (1994)<br></p>

<p>Impurity Ondansetron EP Impurity E / Clotrimazole EP Impurity D<br>Applications Imidazole (Ondansetron EP Impurity E) is a versatile heterocycle used in the preparation of various biologically active compounds such as the amino acid histidine and is present in many antifungal medication. It is also used extensively as a corrosion inhibitor on transition metals such as copper.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Arispe, N. et al.: Biophys. J., 95, 4879 (2008); Troesken, E.R. et al.: Endo. Res., 30, 387 (2004); Otmacic Curkovic, H. et al.: Corr. Sci., 51, 2342 (2009);<br></p>

<p>Applications Bone metabolism modulator; inhibits bone resorption while maintaining bone formation. Antiosteoporotic.<br>References Buehler, J., et al.: Bone, 29, 176 (2001), Henrotin, Y., et al.: J. Bone Miner. Res.,16, 299 (2001), Meunier, P.J., et al.: N. Engl. J. Med., 350, 459 (2004),<br></p>

<p>Impurity Azithromycin EP Impurity M<br>Applications Azithromycin (A927000) impurity. A degradation products of Azithromycin.<br>References Anon., et al.: Pharmaeuropa, 13, 750 (2001),<br></p>

<p>Applications (S)-(+)-Methoprene is used as an insect growth regulator. May be used to inhibit metamorphosis.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Koureas, Mi. et al.:Sci. Total Env., 496, 358 (2014); Knaus, M. et al.: Veterin. Parasitol., 202, 40 (2014);<br></p>

<p>Applications Levofloxacin-d3, is the labeled analogue of Levofloxacin (L360000), an antibiotic used against gram-negative organisms.<br>References Kato, M., et al.: Arzneim.-Forsch., 42, 365 (1992), North, D.S., et al.: Pharmacotherapy, 18, 915 (1998), Hwang, D.G., et al.: Br. J. Ophthalmol., 87, 1004 (2003),<br></p>

<p>Applications Taurine (1,2-13c2, 98%) (cas# 70155-54-3) is a useful research chemical.<br></p>

<p>Applications Labelled Cefuroxime (C248050). Antibacterial.<br>References O’Callaghan, C.H., et al.: Antimicrob. Agents Chemother., 9, 511 (1976), Norrby, R., et al.: J. Antimicrob. Chemother., 3, 355 (1977), Brogden, R.N., et al.: Drugs, 17, 233 (1979), Wozniak, J.R., et al.: Anal. Profiles Drug Subs., 20, 209 (1991),<br></p>

<p>Applications NN703 (Tabimorelin) is an orally active growth hormone (GH) secretagogue intended for use as an alternative to daily injections of GH. In vitro studies in human liver microsomes have indicated that NN703 is a mechanism-based inhibitor of CYP3A4.<br>References Fabre, G., et al.: Biochem. Pharmacol., 37, 4389 (1988), Thummel, K., et al.: Clin. Pharmacol. Ther., 59, 491 (1996), Yu, D., et al.: J. Clin. Pharmacol., 39, 1203 (1999),<br></p>

<p>Applications Labelled Folpet (F402000). Agricultural fungicide.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Cohen, S., et al.: Crit. Rev. Toxicol., 40, 531 (2010), Wong, J., et al.: J. Agric. Food Chem., 58, 5884 (2010),<br></p>

<p>Applications The active labelled metabolite of the antibacterial dye, Sulfamidochrysoidine. Inhibits folic acid synthesis in prokaryotes. Antibacterial.<br>References Colebrook, L., et al.: Lancet, 233, 1291 (1937), Dye, C., et al.: Nat. Rev. Microbiol., 7, 81 (2009), Isik, S., et al.: Bioorg. Med. Chem., 17, 1158 (2009),<br></p>

<p>Stability Moisture Sensitive<br>Applications Labelled Rapamycin. A triene macrolide antibiotic isolated from Streptomyces hygroscopicus. Name derived from the native word for Easter Island, Rapa’Nui. Used as an immunosuppressant; antirestenotic.This compound contains aproximately 2% d0.<br>References Martel, P.R., et al.: Can. J. Physiol. Pharmacol., 55, 48 (1977), Carlson, R.P., et al.: J. Pharmacol. Exp. Ther., 266, 1125 (1993), Kahan, B.D., et al.: Lancet, 356, 194 (2000), Holmes, D.R., et al.: Circulation, 109, 634 (2004),<br></p>

<p>Applications (+)-Irinotecan is a Topo I inhibitor.<br></p>

<p>Applications Labelled Pyruvic acid (P998900). Intermediate in sugar metabolism and in enzymatic carbohydrate degradation (alcoholic fermentation) where it is converted to acetaldehyde and CO2 by carboxylase. In muscle, Pyruvic acid (derived from glycogen) is reduced to lactic acid during exertion, which is reoxidized and partially retransformed to glycogen during rest. The liver can convert Pyruvic acid to alanine by amination. A diagnostic agent for Parkinson disease.<br>References Wenzel, A., et al.: J. Neurosci., 21, 53 (2001), Martinez., et al.: Development, 6, 851 (2002), Nakayama, K., et al.: J. Biochem., 146, 757 (2009), Tanaka, T., et al.: J. Pharmacol. Sci., 109, 24 (2009),<br></p>

<p>Applications Pyrimethanil-d5 (phenyl-d5) (CAS# 2118244-83-8) is a useful isotopically labeled research compound.<br></p>

<p>Applications 5-phenyl-1,3-oxazolidin-2-one (cas# 7693-77-8) is a useful research chemical.<br></p>

<p>Applications Melperone is a neuroleptic butyrophenone. Melperone is also an antiarrhythmic agent. Melperone is an effective atypical antipsychotic drug used in the treatment of schizophrenia.<br>References Petersen, E.N. et al.: Acta Pharmacol. Toxicol., 42, 388 (1978); Platou, E. et al.: Acta Pharmacol. Toxicol., 50, 108 (1982); Bjerkenstedt, L. et al.: Acta Psych. Scand. Supp., 352, 35 (1989); Meltzer, H.Y. et al.: Psych. Res., 105, 201 (2001);<br></p>

<p>Applications Minor constituent of wine, correlated with serum lipid reduction and inhibition of platelet aggregation. Resveratrol is a specific inhibitor of COX-1, and it also inhibits the hydroperoxidase activity of COX-1. It has been shown to inhibit events associated with tumor initiation, promotion and progression.<br>References Powell, R.G., et al.: Phytochemistry, 35, 335 (1994), Jeandet, P., et al.: J. Phytopathol., 143, 135 (1995), Mattivi, F., et al.: J. Agric. Food Chem., 43, 1820 (1995),<br></p>

<p>Applications Bufrolin is an analog of Sodium Cromoglycate (C815000). It is a mast cell stabilizer drug and is shown to display agonism at either human or rat G protein-coupled receptor GPR35.<br>References Church, Martin K., et al.: Int. Arch. Aller. A. Imm., 66, 281-2 (1981); MacKenzie Amanda E., et al.: Mol. Pharmacol., 85(1), 91-104 (2014)<br></p>

<p>Applications Bromopropylate is a chemical compound used as an acaricide against spider mites in apiaries and on fruit crops such as citrus and grapes.<br>References Van Leeuwen, T., et al.: Pest Management Sci., 61, 499 (2005); Kim, Y., et al.: J. Econ. Entomol., 99, 954 (2006)<br></p>