Toxicology

<p>Applications Methotrexate Disodium Salt is a folic acid antagonist which is used as a antineoplastic and antirheumatic.<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 Freeman, M.V., J. Pharmacol. Exp. Ther., 122, 154 (1958), Weinblass, M.E., et al.: N. Engl. J. Med., 312, 818 (1985),<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled analogue of Phenethicillin is a semisynthetic penicillin based β-lactam antibiotic and are used in the treatment of bacterial infections caused by susceptible, usually Gram-positive bacteria.<br>References Lucien, C., et al.: Can. med. Assoc. J., 84, 535 (1961); Timmers, G.J., et al.: Clin. Microbiol. Infect., 13, 497 (2007);<br></p>

<p>Applications Protected 17β-Estradiol.<br></p>

<p>Applications Isotope labelled intermediate in the synthesis of the metabolites of Nitazoxanide (N490100), an anthelmintic (cestodes), antiprotozoal (cryptosporidium) agent.<br>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),<br></p>

<p>Applications Dimethyl Succinate is used in the synthesis of antifungal agents and synthetic analogues.<br>References Lee, E. et al.: Ange. Chem. Int. Ed., 41, 176 (2002); Trost, B.M. et al.: J. Am. Chem. Soc., 124, 10396 (2002);<br></p>

<p>Applications Δ2-Cefuroxime Methyl Ester is a potentially related compound in cephalosporin antibacterial compounds.<br>References Miyouchi, M., et al.: J. Chem. Pharm. Bull., 38, 1906 (1990), Sugioka, T., et al.: Chem. Pharm. Bull., 38, 1998 (1990),<br></p>

<p>Applications Diacetyl (6-Chloro 7-Piperazinyl 1-Ethyl-1,4-dihydro-4-oxo-3-quinolinecarboxy Borate) is an intermediate in the synthesis of Defluoro-6-chloro Norfloxacin Hydrochloride (D228535). Defluoro-6-chloro Norfloxacin hydrochloride is impurity F of Norfloxacin (N681000), which is a pefloxacin derivative that acts as a fluorinated quinolone antibacterial.<br>References Koga, H., et al.: J. Med. Chem., 23, 1358 (1980); Hirai, K., et al.: Antimicrob. Agents Chemother., 19, 188 (1981); Holmes, B., et al.: Drugs, 30, 482 (1985)<br></p>

<p>Applications 1-O-Methylsulfonyl 3-O-Trityl-(S,S)-Chloramphenicol is an intermediate in the synthesis of L-erythro-Chloramphenicol (C325015), which functions as a potent inhibitor of electron transport in the mitochondria in biological studies.<br>References Berendsen, B., et al.: Anal. Chim. Acta., 700, 78 (2011), Wilson, S.B., et al.: Biochim. Biophys. Acta., 292, 603 (1973)<br></p>

<p>Applications Paliperidone Palmitate is a long-acting injectable atypical antipsychotic used in the treatment of schizophrenia.<br>References Hough, D. et al.: Prog. Neuro-psychophamacol. Biol. Psych., 33, 1022 (2009); Samtani, M.N. et al.: Clin. Pharmacokin., 48, 585 (2009); Nasrallah, H.A. et al.: Neuropsychopharmacology, 35, 2072 (2010);<br></p>

<p>Impurity Beclometasone Dipropionate EP Impurity C<br>Applications An impurity of Beclomethasone Dipropionate (B131030).<br></p>

<p>Impurity Atorvastatin lactam phenanthrene calcium salt impurity<br>Applications Atorvastatin (A791750) impurity. A stable Atorvastatin formulation.<br></p>

<p>Applications A metabolite of Propranolol.<br>References Otton, S., et al.: Br. J. Clin. Pharmacol., 30, 751 (1990), Fujita, S., et al.: J. Pharmacol. Exp. Ther., 264, 226 (1993), Bichara, N., et al.: Drug Metab. Dispos., 24, 112 (1996), Tasaki, T., et al.: J. Biochem., 123, 162 (1998),<br></p>

<p>Applications 3,4-Dihydroquinoline-2-one 6-Oxoacetic Acid is a derivative of 3,4-Dihydro-2-quinolone (D450600), which is used to prepare potent bicyclic peptide deformylase inhibitors with antibacterial effects. It is also used to synthetisze substituted iminopiperidines as inhibitors of human nitric oxide synthase isoforms.<br>References Molteni, V., et al.: Bioorg. Med. Chem. lett., 14, 1477 (2004); Webber, R., et al.: J. Med. Chem., 41, 96 (1998)<br></p>

<p>Stability Light Sensitive<br>Applications (1R)-trans-γ-Cyhalothrin is an isomer of λ-Cyhalothrin (C988980), which is used as an insecticide.<br>References Bhavani, B., et al.: Pestol., 33, 42 (2009), Patial, A., et al.: Env. Ecol., 27, 320 (2009), Schleier, J., et al.: J. Med. Entomol., 46, 693 (2009), Yang, D., et al.: Toxicol. App. Pharmacol., 237, 49 (2009),<br></p>