Toxicology

Applications Octahydro-6-(phenylmethyl)-1H-Pyrrolo[3,4-b]pyridine is an intermediate in the synthesis of moxifoxacin (M745000), a fluorinated quinolone antibacterial.
References Somisetti, N. et al.: Org. Chem. Indian J., 7, 123 (2011);

Applications Labelled cis/trans-Chlorprothixene (C424850). Antipsychotic.
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 Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 63 (1973), Bagli, M., et al.: Arzneim.-Forsch., 46, 247 (1996),

Applications Propicillin, is a derivative of penicillin. Properties are similar to benzylpenicillin particularly used in streptococcal infections, not resistant to penicillinase.
References Fleming, A., et al.: Br. J. Exp. Pathol., 10, 226 (1929), Clutterbuck, P.W., et al.: Biochem. J., et al.: 26, 1907 (1932), Chain, E., et al.: Lancet, 2, 226 (1940),

Applications Demethyltrichlorfon Sodium Salt is a metabolite of Trichlorfon (T773855), an irreversible organophosophate insecticide with acetylcholinesterase inhibitor activity and the prodrug of Dichlorvos (D435950).
References Najafi, N.M., et. al.: J. Struct. Chem., 52, 713 (2011); Li, R., et al.: App. Microbiol. Biotechnol., 94, 1553 (2012); Bakirci, G.T., et al.: Food. Chem., 135, 1901 (2012);

Applications Bis(1-methyl-2-hydroxyethyl) Ether is a metabolite formed during the aerobic degradation of polypropylene glycol by Corynebacterium species. An ether found in smoke condensate from nonfiltered cigarettes.
References Kawai, F. et al.: J. Fermentat. Techn., 63, 239 (1985); Schumacher, J. et al.: J. Agr. Food. Chem., 25, 310 (1977)

Applications Labelled Oxycodone. Controlled substance (opiate). Analgesic (narcotic).
References Mendelson, J., et al.: Clin. Pharmacol. Ther., 60, 105 (1996), Fudala, P., et al.: N. Engl. J. Med., 349, 949 (2003), Alho, H., et al.: Drug Alcohol Depend., 88, 75 (2007),

Applications (2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol Methanesulfonate is a useful synthetic intermediate in the synthesis of Efinaconazole (E435070); a topical antifungal for onychomycosis. (2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol Methanesulfonate is also used as a reagent in the synthesis of Ravuconazole (R128000); an ergosterol biosynthesis inhibitor and antifungal.
References Sugiura, K., et. al.: Antimicrob. Agents CH., 58, 3837 (2014); Pesti, J., et al.: Org. Process Res. Dev., 13, 716 (2009); Fung-Tomc., J.C., et al.: Antimicrob. Agents Chemother., 42, 313 (1988); Tsuruoka, A., et al.: Chem. Pharm. Bull., 46, 623 (1998); Gupta, A.K., et al.: J. Eur. Acad. Dermatol. Venereol., 19, 437 (2005)

Applications 2-[[3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl]Methyl] Rizatriptan Benzoate is an impurity of the antimigraine drug rizatriptan benzoate.
References Sarma, P. S., et al.: Synth. Commun., 38, 603 (2008)

Applications N-Acetyl Serotonine O-Sulfate Ester Triethylammonium Salt, is used as a urinary biomarker in metablomics studues. Metabolite of serotonin (S274980), a monoamine neurotransmitter.
References Johnson, C. et al.: Rad. Res., 178, 328 (2012); Kuraishi, Y., et al.: Biol. Pharm. Bull., 31, 2143 (2008); Morera, E., et al.: Bioorg. Med. Chem. Lett., 19, 6806 (2009); Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010);

Applications 2-(Dimethylamino)-4-pyridinyl-boronic Acid can be used to synthesize N-biaryl quinolone carboxylic acids as selective M1 positive allosteric modulators.
References Yang, F., et al.: Bioorg. Med. Chem. Lett., 20, 531 (2010)

Applications An Estradiol (E888000) 17-monoester. Short-chain fatty acid esters have a higher binding potency to the estrogen receptor than long-chain fatty acid esters. Estradiol fatty acyl esters act as a storage form from which estradiol is released by enzymic hydrolysis.
References Rifici, V., et al.: Metabolism, 41, 1110 (1992), Larner, J., et al.: J. Biol. Chem., 268, 13893 (1993), Tikkanen, M., et al.: Biochem. Pharmacol., 60, 1 (2000),

Impurity Cefixime EP Impurity F
Applications Cefixime Ethyl Ester is an ester impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).
References Bian, L. et al.: Yao. Fen. Zaz., 30, 872 (2010);

Stability Hygroscopic
Applications Antihypertensive; antiglaucoma
References Al-Shora, H., et al.: Int. J. Pharm., 47, 209 (1988), Golander, Y., et al.: J. Pharm. Sci., 77, 902 (1988),

Applications Isotope labelled D-Cycloserine inhibits cell wall biosynthesis (D-Ala peptide bond formation). D-Cycloserine also prevents conversion of D-Ala to L-Ala. D-Cycloserine is an bacteriostatic. D-Cycloserine is an antibiotic against Gram-negative bacteria.
References Lamb., J.W., et al.: Anal. Profiles Drug Subs., 1, 53 (1972), Gentry-Weeks, C., et al.: J. Biol. Chem., 268, 7298 (1993), Alexander, F., et al.: Eur. J. Biochem., 219, 953 (1994), Auger, S., et al.: Biochimie, 87, 231 (2005),

Applications Efavirenz (E425000) potential synthetic impurity and degradation product.
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 Phelan, P., et al.: J. Chromatogr. Sci., 19, 13 (1981), Mangia, A., et al.: Anal. Chim. Acta., 149, 349 (1983), Careri, M., et al.: J. Chromatogr., 647, 79 (1993), van Beek, T., et al.: Phytochem. Anal., 6, 1 (1995),

Stability Very Hygroscopic
Applications Clindamycin-13C,D3 Hydrochloride is the labeled analog of Clindamycin (C580000, HCl salt), a semi-synthetic antibiotic prepared from Lincomycin. 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 Arachidonoyl p-Nitroaniline is a nitroaniline probe for FAAH activity.

Applications Labelled semi-synthetic antibiotic related to Penicillin. Antibacterial.
References Brogden, R.N., et al.: Drugs, 18, 169 (1979), Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994),