Toxicology

Applications Labeled rac-Ambrisentan (A575860) Nonpeptide endothelin ETA receptor antagonist. Antihypertensive.
References Riechers, H., et al.: J. Med. Chem., 39, 2123 (1996), Billman, G.E., et al.: Curr. Opin. Invest. Drugs, 3, 1483 (2002), Vatter, H., et al.: Clin. Neuropharmacol., 26, 73 (2003),

Applications (O6-Methyl-d3)-7,8-dihydro-6-isomorphine is the labeled analogue of O6-Methyl-7,8-dihydro-6-isomorphine (M302150), an impurity of Hydromorphone(H714650).

Applications Labelled Lubiprostone is a bicyclic fatty acid metabolite analog of Prostaglandin E1. It activates specific chloride channels in the gastrointestinal tract to stimulate intestinal fluid secretion, increase gastrointestinal transit, and improve symptoms of constipation.
References Farthing, M., et al.: Drugs, 56, 11 (1998), Pare, P., et al.: Am. J. Gastroenterol., 96, 3130 (2001), Sloots, C., et al.: Aliment. Pharmacol. Ther., 16, 759 (2002), Coremans, G., et al.: Digestion, 67, 82 (2003),

Applications Labelled analogue of Defluoro Linezolid, a defluorinated impurity of Linezolid (L466500).
References Kugelmann, E. et al.: J. Pharmac. Biomed. Anal., 54. 1047 (2011);

Applications Penconazole is an conazole based fungicide that works by inhibiting cell membrane ergosterol biosynthesis, thus stopping the development of fungi.
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 Sharma, H., et al.: J. Mycol. Plant. Pathol., 42, 494 (2012); Sen, K., et al.: Food. Chem. Toxicol., 50, 3990 (2012); Pitt, W.M., et al.: Plant Disease., 96, 1303 (2012);

Stability Hygroscopic
Applications A metabolite of Mosapride (M731000).
References Chen, H., et al.: J. Pharm. Biomed. Anal., 40, 142 (2006), Pedraglio, S., et al.: J. Pharm. Biomed. Anal., 44, 665 (2007), Christopher, L., et al.: Drug Metab. Dispos., 36, 1341 (2008), Curran, M., et al.: Drugs, 68, 981 (2008),

Applications 2,6-Dimethylmorpholine is used as a reagent in the synthesis of novel 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid amides which can exhibit antifungal activity. 2,6-Dimethylmorpholine is also used towards the synthesis of tetrahydrothiazolopyridine derivatives as potent smoothened antagonists.
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 Du, S., et al.: Molecules, 20, 8395 (2015); Du, S., et al.: Molecules, 20, 4071 (2015); Ma, H., et al.: Eur. J. Med. Chem., 89, 721 (2015)

Applications Mucochloric Acid is an intermediate product of the herbicide Burex that can cause poisioning and skin damage upon exposure. Mucochloric Acid is also a chlorine disinfection byproduct in drinking water with mutagenic activity.
References Kolesar, D. et al.: Bratsilav. Lek. Listy, 64, 132 (1978); Romancik, V.E.: Ces.-Slov. Hyd., 21, 319 (1976); Jansson, K. et al.: Environ. Mol. Mutagen., 25, 284 (1995);

Applications (E)-1,1'-[2-(2,4-Difluorophenyl)-1-propene-1,3-diyl]bis-1H-1,2,4-triazole is an impurity of Fluconazole (F421000), an antifungal.
References Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985),

Applications (Z)-2'-Deschloro Luliconazole is a Luliconazole (L473770) impurity. Luliconazole is an azole antifungal drug.
References Uhida, K., et al.: J. Infect. Chemother., 10, 216 (2004); Niwano, ., et al.: Antimicro. Agents Chemother., 42, 967 (1998)

Applications Fuberidazole is a benzimidazole based fungicide used as a fungicidal seed treatment of barley.
References Secci, D., et al.: J. Heterocyc. Chem., 49, 1187 (2012); Altmeye, M.A., et al.: Bioorg. Med. Chem. Lett., 20, 4038 (2010);

Applications A novel labelled metabolite of Perchloroethene (PER) in humans after inhalation. It is an important biomarker for the glutathione dependent biotransformation of PER.
References Urban, G., et al.: Xenobiotica, 24, 881 (1994), Birner, G., et al.: Drug Metab. Dispos., 24, 41 (1996), Dekant, W., et al.: Drug Metab. Dispos., 15, 702 (1987),

Stability Hygroscopic
Applications Vapreotide is a synthetic somatostatin (S676750) analog predominately used for the treatment of acute variceal bleeding.
References Fortune, B.E., et al.: Expert. Opin. Pharmacother., 10, 14 (2009); Paul, C., et al.: Eng. J. Med., 344, 23 (2001);

Applications An Atorvastatin impurity in bulk drug and tablets.

Applications N-Boc Gatifloxacin N-Oxide is an intermediate used in the synthesis of Gatifloxacin N-Oxide (G250005), which is an impurity of Gatifloxacin (G250000), an antibacterial agent.
References Bauernfeind, A.: J. Antimicro. Chemother., 40, 639 (1997), Fukuda, H., et al.: Antimicrob. Ag. Chemother., 42, 1917 (1998),

Applications Ethyl 3-(4-bromo-2-chlorophenyl)-3-oxopropionate (CAS# 131994-22-4) is a useful research chemical compound.

Applications Isotope labelled Parathion (P192220) is an organophosphate insecticide used on cotton, rice and fruit trees.
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 Seifert, J., et al.: Environ. Toxicol. Pharmacol., 35, 200 (2013); Ciffroy, P., et al.: Environ. Toxicol. Chem., 32, 602 (2013);

Applications Algestone Acetophenide is a progestational steroid that has been shown to increase the proteins in milk and serum in goats and decrease the weight gain of kids. Algestone Acetophenide is used as an injectable steroid contraceptive in Chile and Mexico.
References Abdel, K., et. al.: J. Drug Res., 7, 79 (1975); Thomas, D.B., et. al.: AM. J. Epidemiol., 130, 237 (1989)

Applications RTI-113 is a 3-phenyltropane analogue that acts as a potent and selective dopamine uptake inhibitor. RTI-113 has been shown to reduce cocaine self-administration at high occupancy of dopamine transporter. Studies suggest that RTI-113 and its analogs may be useful tools for developing potential agonist therapies for cocaine dependence.
References Dworkin, S. et al.: Synapse, 30, 49 (1998); Negus, S.S. et al.: Pharmacol. Biochem. Behav., 91, 333 (2009); Cook, C. et al.: Eur. J. Pharmacol., 442, 93 (2002);

Applications Rotigotine β-D-Glucuronide is a metabolite of Rotigotine (R700700).
References Braun, M., et al.: Eur. J. Neurol., 12, 96 (2005), Cawello, W., et al.: Clin. Pharmacokinet., 46, 851 (2007), Poewe, W., et al.: Lancet Neurol., 6, 513 (2007),

Applications Karetazan is used in the preparation of Pyrazole derivatives as pesticides as well as as a chemical hybridisation agent for commercial hybrid seed production.
References Buysse, A., et al.: U.S. Pat. Appl. Publ., 118 (2016); Walsh, M., et al.: U.S. Pat. Appl. Publ. 77., (2015)

Applications CP 1282 is the tautomer of the antibiotic Cefotetan (C242970) with similar degradation rates.
References Koshiro, A. et al.: Chem. Pharm. Bull., 37, 1864 (1989); Naber, K. et al.: Zeitsch. Antmickrob. Antineoplast. Chemother., 2, 161 (1984);

Applications A Phenobarbital derivative. Anticonvulsant.
References Hansch, C., et al.: J. Pharm. Sci., 61, 1 (1972), Andrews, P., et al.: J. Med. Chem., 26, 1223

Applications A synthetic progestin largely used in hormone therapy, on the central nervous system by studying two markers of the neuroendocrine function: the neurosteroid allopregnanolone and the opioid .beta.-endorphin. Progestogen.
References Bernardi, F., et al.: Eur. J. Endocrinol., 138, 316 (1998), Rupprecht, R., et al.: Steroids, 64, 83 (1999), Uzunova, V., et al.: Brain Res., 976, 1 (2003), Pluchino, N., et al.: J. Steroid Biochem. Mol. Biol., 102, 205 (2006),

Applications Labelled 2-Chloropyridine (C380605). (2-CPY) has been identified as a trace organic chemical in process streams, wastewater and even drinking water. Furthermore, it appears to be formed as a secondary pollutant during the decomposition of specific insecticides. 2-CPY was found to be genotoxic 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 Demsia, G., et al.: Mutat. Res., 634, 32 (2007), Stapleton, D., et al.: Water Res., 43, 3964 (2009),

Applications Ursodeoxycholic Acid-24-13C is the labeled compound of Ursodeoxycholic Acid (U850000). It is used as an anticholelithogenic. Epimer with Chenodiol with respect to the hydroxyl group at C7.

Stability Hygroscopic
Applications Mefenamic acid metabolite.
References Besunder, J., et al.: Clin. Pharmacokinet., 14, 261 (1988), Smith, P., et al.: Drug Metab. Dipos., 18, 639 (1990), Kraus, D., et al.: Clin. Pharmacol. Ther., 54, 351 (1993), Sato, J., et al.: Biol. Pharm. Bull., 16, 811 (1993),

Stability No Data Availableg
Applications (1S,αS)-trans-Cypermethrin is an impurity in the synthesis of θ-Cypermethrin which a synthetic pyrethroid used as an insecticide in large-scale commercial agricultural applications as well as in consumer products for domestic purposes. It behaves as a fast-acting neurotoxin in insects. Cypermethrin can exhibit a toxic effect on the reproductive system.
References Hu, J., et al.: J. Appl. Toxicol., 33, 576 (2011); Singh, A., et al.: Neurobiol. Aging., 33, 404 (2012); Amer, S., et al.: J. Mut. Res., 155, 135 (1985)

Applications Protected metabolite of Theobromine.
References Tarka, S.M., et al.: Clin. Pharmacol. Therap., 34, 546 (1983), Bonati, M., et al.: Toxicology, 30, 327 (1984)

Applications A new benzodiazepine derivative as a new anti-anxiety drug. Ethyl Loflazepate and its metabolite were compared with those of Diazepam (D416855), Nitrazepam (N490140) and Lorazepam (L469850). The anticonflict effect of Ethyl Loflazepate was slightly more potent than that of Diazepam and much more potent than that of Lorazepam. Controlled substance.
References Cano J.P., et al.: J. Chromatogr., 226, 413 (1981), Tanaka M., et al.: Clin. Neuropharmacology, (1985), 8,  271 (1985),

Applications Labelled N-Methylserotonin, the N-methylated derivative of serotonin with similar activity. Studies have identified N-Methylserotonin as a potential active constituent that contributes to the serotonergic activity of black cohosh.
References Powell, S.L. et al.: J. Agric. Food Chem., 56, 11718 (2008); Mais, D.E. et al.: J. Chrom. Biomed. Appl., 225, 27 (1981);

Applications (3aR,4S,6aS)-4-Methoxytetrahydrofuro[3,4-b]furan-2(3H)-one is an isomer of an impurity of Darunavir (D193500), a second generation HIV-1-protease inhibitor; structurally similar to amprenavir. Antiviral.
References Koh, Y., et al.: Antimicrob. Agents Chemother., 47, 3123 (2003), Arasteh, K., et al.: AIDS, 19, 943 (2005); Surleraux, D.L.N.G., et al.: J. Med. Chem., 48, 1813 (2005)