Toxicology

Applications 8-Chloro-6-(2-fluorophenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic Acid Methyl Ester is an imidazodiaepine derivative and an impurity of Midazolam (M343000), an anesthetic, anticonvulsant, sedative and hypotic agent.

Applications Labelled Testosterone ester.
References Ruelle, P., et al.: Int. J. Pharm., 157, 219 (1997), de la Torre, X., et al.: J. Pharm. Biomed. Anal., 24, 645 (2001), Adat, S., et al.: Lett. Drug Des. Discov., 1, 334 (2004),

Applications Clemizole Hydrochloride inhibits Hepatitis C RNA replication in cell culture through the suppression of the binding between the nonstructural protein 4B and the viral RNA genome with little toxicity for the host cell. Clemizole Hydrochloride is also a potent inhibitor of transient receptor potential channel TRPC5.
References Einav, S., et al.: Nat. Biotechnol., 26, 1019 (2008); Richter, J. M., et al.: Mol. Pharmacol., 86, 514 (2014)

Applications Α labelled metabolite of Tamoxifen (T006000).
References Sun, D., et al.: Breast Cancer Res., 8(4), (2006), Zheng, Y., et al.: Drug Metab. Dispos., 35, 1942 (2007),

Applications Phenobarbital Sodium is a barbital drug that can be used to synthesize antiepileptic pharmaceutical compounds.
References An, L., et al.: Faming Zhuanli Shenqing, CN 105250316 A, 20160120 (2016)

Stability Hygroscopic
Applications Isotope labelled analogue of Mefruside (M205150), a diuretic used for the treatment of edema and hypertension.
References Johansen, A., et al.: Euro. J. Epidemiol., 27, 63 (2012); Hasegawa, Y., et al.: Blood. Press. Supple., 1, 10 (2010);

Applications Labelled Isoproturon. Pre-and post-emergence herbicide for control of annual grasses and broad-leaved weeds. Herbicide.
References Fournier, J.-C., et al.: Chemosphere, 4, 207 (1975), Gonzales, P., et al.: Weed Res., 23, 39 (1983),

Applications Labelled trans-Hydroxy Praziquantel (H952405). The main cis-monohydroxylated metabolite of Praziquantel (P702095).
References Buehring, K., et al.: Eur. J. Drug Metab. Pharm., 3, 179 (1978), Moldeus, P., et al.: Methods Enzymol., 52, 60 (1978), Cioli, D., et al.: Pharmacol. Ther., 68, 35 (1995),

Applications Pipobroman-D8 is a labelled analogue of Pipobroman (P490602).
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications (S)-7-Hydroxy Efavirenz, is a metabolite of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. Antiviral.
References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995),

Applications Labelled Triazolam (T767380(M)). Triazolam in an hypnotic drug used in the short term treatment of insomnia.
References Lomen, P., et al.: J. Int. Med. Res., 4, 55 (1976), Allens, G.S., et al.: J. Int. Med. Res., 6, 343 (1978), Pakes, G.E., et al.: Drugs, 22, 81 (1981).

Applications A metabolite of Midazolam (M343000).

Applications 17α-Vinyltestosterone Acryl Ester is an intermediate in synthesizing 20,21-Dehydro Spironolactone (D229405), which is an impurity of Spironolactone (S683000), a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conn’s syndrome.
References Sutter, J.L., et al.: Anal. Profiles Drug Subs., 4, 431 (1975);

Applications rel-(4R,5R)-5-(4-Chlorophenyl)-4-methyl-2-thiazolidinone is a useful building block and has been used in the synthesis of hexythiazox (H298500).
References Lou, J.; et al.: Nongyao, 47, 328 (2008).

Applications Rosoxacin has shown to have antibacterial activity against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus pneumoniae.
References Koba, M., et. al.: J. Mol. Modeling, 16, 327 (2010)

Applications Phorate Oxon Sulfoxide is a major metabolite of Phorate (P353500), an inhibitor of acetylcholinesterase and pseudocholinesterase.
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 Boshoff, P.R., et al.: J. Agr. Food Chem., 27, 626 (1979),

Applications Molinate is a herbicide that is used to control broad-leaved and grassy plants in rice and other crops (1,2). 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. Nacher-Mestre, J. et al.: J. Agri. Food. Chem. 2014 Mar 12;62(10):2165-742. Sugrue, E. et al.: Appl. Environ. Microbiol. 2015 Apr;81(7):2612-24.

Applications N-Acetyl-S-(4-hydroxy-2-methyl-2-trans-buten-1-yl)-L-cysteine is a metabolite of Isoprene.
References Pecivova, P. et al.: J. Sci. Food Agric., 90, 1681 (2010); Hui, N. et al.: Meat Sci. Appl., 74 (2001); Kiviharju, K. et al.: J. Biotechnol., 117, 299 (2005);

Applications Pitavastatin 1-Phenylethylamide is an impurity of Pitavastatin (P531000), which is a competitive inhibitor of HMG-CoA reductase. Antilipemic.
References Aoki, T., et al.: Arzneim.-Forsch., 47, 904 (1997), Yamada, I., et al.: Xenobiotica, 33, 789 (2003), Park, S., et al.: Clin. Ther., 27, 1074 (2005),

Applications A ring-opened analog of Fentanyl (F274990). An opioid analgesic with potency similar to morphine.
References Casy, A.F. et al.: J. Pharm. Pharmacol., 19, 17 (1967); Dosen-Micovic, L. et al.: Elec. Conf. Heterocyc. Chem., 157 (1998);

Stability Hygroscopic
Applications Quifenadine-d10 is the isotope labelled analog of Quifenadine. Quifenadine is used in the biological studies of azoniabicyclooctanes as muscarinic acetylcholine receptor antagonists.
References Laine, D. I., et al.: J. Med. Chem., 52, 2493 (2009);

Applications Fluenetil is a fluenethyl acaricide.
References Johannsen, F. R., et al.: Comp. Gen. Pharmacol., 5, 101 (1974), Johannsen, F. R., et al.: J. Econ. Entomol., 67, 5 (1974)

Applications Fluoronitrofen contains pesticidal utility.
References Zhang, Y., et.al.: PCT Int. Appl. WO 2019236274 A1, 63, (2019);

Applications Tatenoquine is a new 8-aminoquinoline with an improved therapeutic index and safety profile as compared to primaquine (P733500).Tafenoquine has the potential to become a widely used drug in the prevention and treatment of malaria infection and could replace some currently used drugs as resistant strains of Plasmodium species increase.
References McIntyre, J. A., et al.: Drugs. Future., 28, 859 (2003); LaMontagne, M.P., et al.: J. Medn. Chem., 32, 1728 (1989);

Applications A protected metabolite of Testosterone (T155000) in humans and animals.
References Demisch, K. et al.: Eur. J. Biochem., 8, 284 (1969); Fernandez, C. et al.: J Chrom. B Biomed. Appl., 677, 363 (1996); Capolongo, F. et al.: J. Vet. Pharmacol. Therap., 26, 160 (2003);

Applications A labelled metabolite of Carnitine used in diagnostic screening of patients with inherited disorders of fatty acid oxidation.
References Johnson, D.W. et al.: Chem. Phys. Lipids, 129, 161 (2004);

Applications (2R,5S,13aR)-2,3,4,5,7,9,13,13a-Octahydro-8-methoxy-7,9-dioxo-N-[(2,4,6-trifluorophenyl)methyl]-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide-d2, 15N is an intermediate in the synthesis of Bictegravir-15N, d2 (B382096), which is the labeled version of Bictegravir, which is a novel, potent inhibitor of HIV-1 integrase with an IC50 of 7.5 nM.
References Tsiang M. et al.: Antimicrob Agents Chemother. 2016 Nov 21;60(12):7086-7097;

Applications Labelled analogue of Fenthion Sulfoxide, the sulfoxide anlogue and metabolite of the organothiophosphate insecticide Fenthion (F278000).
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 Wallnoefer, P. et al.: Pflanzensch.-Nach., 29, 236 (1976); Minelli, E.V. et al.: J. Agric. Food. Chem., 44, 936 (1996);

Applications 17α-Cyanomethyl-19-nortestosterone is a metabolite of Norethindrone (N676000), an progesteron used in combination with estrogen as contraceptive.
References Oettel, M., et al.: Pharmazie., 48, 541 (1993); Wong, T.C., et al.: J. Chem. Soc., Perk. Trans., 5, 765 (1988); Schubert, K., et al.: Org. Chem., 20, 143 (1985);

Applications A labelled metabolite of Estradiol (E888000).
References Zhu, B., et al.: Steroids, 70, 225 (2005); Enmark, E., et al.: J. Clin. Endocrinol. Metab., 82, 4258 (1997);

Applications N-Acetyl-S-benzyl-DL-cysteine (cas# 19538-71-7) is a useful research chemical.

Applications N,N'-(Ethane-d4-1,2-diyl)bis(2-(2,6-dimethylphenoxy)acetamide) is the labeled analogue of N,N'-(Ethane-1,2-diyl)bis(2-(2,6-dimethylphenoxy)acetamide) (E890330), an impurity of Lopinavir (L469480), a selective HIV protease inhibitor. An analogue of Ritonavir. Antiviral.
References Sham, H.L., et al.: Antimicrob. Ag. Chemother., 42, 3218 (1998); Kumar, G.N., et al.: Drug Metab. Dispos., 27, 86 (1999); Murphy, R.L., et al.: Antiviral Ther., 4, Suppl. 3, 85 (1999)

Applications Triphenyltin Hydroxide is an organotin compound. Triphenyltin Hydroxide is used as a fungicide and antifeeding compound for insect control (1,2). Recent studies show that Triphenyltin Hydroxide may have adverse effects on the reproductive and immune systems and may disrupt the endocrine system (3). 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. Sarpa M. et al.: J. Toxicol. Environ. Health. A. 2010;73(13-14):965-712. Soderquist, J. et al.: J. Agric. Food. Chem. Jan:28(1);111-1173. Golub, M. et al.: J. Toxicol. Environ. Health B. Crit. Rev. 2004 Jul-Aug;7(4):281-95

Applications Oxyquinoline Sulfate is used as a food preservative.
References Gendy, A. et al.: Aud. J. Basic. App. Sci., 6, 260 (2012); Abou El-Ghait, E. et al.: Res. J. Agri. Biol. Sci., 8, 261 (2012);

Applications 3-Nitrophenylhydrazine Hydrochloride acts as a reagent in the preparation of isosteviol-fused pyrazolines and pyrazoles as potential anticancer agents, preparation of pyrazolobenzothiazines as inhibitors of hepatitis C virus replication.
References Zhu, S., et al.: Eur. J. Med. Chem., 65, 70 (2013); Barreca, M. L., et al.: J. Med. Chem., 56, 2270 (2013);

Stability Very Hygroscopic
Applications Tenofovir Dimer is a dimer of Tenofovir (T018500). Tenofovir is a reverse transcriptase inhibitor. Used as an anti-HIV agent.
References Shaw, J.-P., et al.: Pharm. Res., 14, 1824 (1997), Wyles, D., et al.: Clin Infect. Dis., 40, 174 (2005), Peng, J., et al.: J. Clin. Pharmacol., 46, 265 (2006), Seminari, E., et al.: J. Antimicrob. Chemother., 60, 831 (2007),

Applications Gabapentin Lactam-d6, is the labeled analogue of Gabapentin Lactam (G117275), that reduces protein aggregates and improves motor performance in a transgenic mouse model of Huntington’s disease. It opens mitochondrial ATP-dependent potassium channels.
References Zucker, B.,et al.: Naunyn Schmiedebergs Arch. Pharmacol., 370, 131 (2004)