Toxicologie

Stability Hygroscopic
Applications Pizotifen Malate is an anti migraine drug.
References Serna-Jimenez. et al.,Int. J. Pharm. 492, 223-232(2015);

Applications Flutriafol is a systemic fungicide of the triazole class. Flutriafol has broad spectrum fungicidal activity and is used to control effectively cereal powdery mildew, cloud disease, leaf spot disease and rust disease.
References Gozzo, F. et al.: Pest. Biochem. Physiol., 40, 68 (1991); Cao, W. et al.: Jing. Huag. Zhong., 36, 33 (2006); Evans, V.J. et al.: BCPC Conf. Pests Dis., 1, 511 (2000);

Stability Hygroscopic
Applications N,N-Diethyltryptamine Hydrochloride is a derivative of Tryptamine (T894600). Tryptamine is a monoamine alkaloid found in plants and is commonly used in the preparation of biologically active compounds such as neurotransmitters and psychedelics.

Applications Flometoquin is a pesticide. It is also used in other insecticidal compositions containing flometoquin and anabasine as active ingredients. An agrochemical compound.
References Anon.: Fain Kemikaru, 41, 34 (2012); Anon.: IP.com J., 12, 19 (2011); Ren, T., et al.: From Faming Zhuanli Shenqing (2014), CN 103814939 A 20140528; Jeanmart, S., et al.: Bioorg. Med. Chem., 24, 317 (2016)

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);

Stability Hygroscopic
Applications Deuterated, Memantine (M218000) which is used as an antiparkinsonian and antispasmodic.
References Rohde, H., et al.: Fortschr. Med., 100, 2023 (1982), Kornhuber, J., et al.: Eur. J. Pharmacol., 166, 589 (1989), Gortelmeyer, R. and Erbler, H.: Arzneimittel-Forsch., 42, 904 (1992)

Applications D-p-Hydroxyphenylglycinamide is an activated side chain precursor and is an intermediate in the synthesis of 3-(4-Hydroxyphenyl)-2(1H)-pyrazinone (H951260), which is a potential impuritiy of the penicillins, ampicillin and amoxicillin, which have not been reported previously. 3-(4-Hydroxyphenyl)-2(1H)-pyrazinone impurity may be formed during the semi-synthetic preparation of these antibiotics or upon their degradation.
References Munro, A., et al.: J. Pharm. Sci., 67, 1197 (1978); Lebelle, M., et al.: J. Pharm. Pharmacol., 31, 441 (1979); Gabor, E., et al.: PCT Int. Appl., WO 2004111241 A1 20041223 (2004)

Applications ent-Entecavir is an enantiomeric impurity of the antiviral drug Entecavir (E558900).
References Ruediger, E. et al.: Tetrahed. Lett., 45, 739 (2004): Bisacchi, G.S. et al.: Bioorg. Med. Chem. Lett., 7, 127 (1997);

Applications Isotope labelled herbicide
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 Hollender, J., et al.: Environ. Sci. Technol., 43, 7862 (2009), Bollman, S., et al.: Weed Technol., 23, 264 (2009), Goudarzi, N., et al.: J. Agric. Food Chem., 57, 7153 (2009),

Impurity Ribavirin EP Impurity D
Applications N-Des-1-β-D-ribofuranosyl Ribavirin (Ribavirin EP Impurity D) is an impurity in the synthesis of Ribavirin (R414475), a purine nucleoside analog; inhibits inosine monophosphate dehydrogenase (IMPDH). Used as an antiviral agent.This compound is suitable for pyruvate dehydrogenase (PDH) related research.
References Fernandez, H., et al.: Eur. J. Epidemiol., 2, 1 (1986), Liao, H.J. and Stollar, V.: Antiviral Res., 22, 285 (1993), Honda, Y., et al.: Antimicrob. Agents Chemother., 38, 653 (1994), Reichard, O., et al.: Lancet, 351, 83 (1998)

Applications Nonpeptidic HIV protease inhibitor (NPPI). Antiviral.
References Poppe, S.M., et al.: Antimicrob. Agents Chemother., 41, 1058 (1997), McGregor, T.R., et al.: HIV Clin. Trials, 5, 371 (2004), Boffito, M., et al.: J. Clin. Pharmacol., 46, 130 (2006),

Applications 3-Hydroxy Niclosamide is a metabolite of Niclosamide(N395500) which is used as an anthelmintic drug (Cestodes).
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 Loftsson, T., et al.: J. Pharm. Sci., 85, 1017 (1996), Malik, N., et al.: Anti. Cancer Drugs, 10, 767 (1999), El-Sayed, M., et al.: Pharm. Res., 18, 23 (2001),

Applications The major glucuronide metabolite of Chloramphenicol (C325030).
References Simons, P., et al.: Xenobiotica, 22, 1267 (1992), Kaji, H., et al.: Drug Metab. Dispos., 33, 60 (2005),

Applications 4-Chlorosalicylic Acid is a metabolite of the herbicide Benthiocarb. 4-Chlorosalicylic Acid shows antifungal activity.
References Nakamura, Y. et al.: Agric. Biol. Chem., 41, 1613 (1977); Patel, H.S. et al.: J. Macromol. Sci. Chem., A20, 453 (1983); Amborabe, B.-E. et al.: Plant Physiol. Biochem., 40, 1051 (2002);

Applications 3,5-Dimethyl-4-(methylthio)phenol is used as an insecticide and used the synthesis of methiocarb.
References Yamada, K. et al.: J. Health Sci., 57, 134 (2011); Keum, Y. et al.: Chromatograph., 52, 237 (2000);

Applications Promecarb-d3 is the isotope labelled analog of Promecarb (P756500); a carbamate pesticide.
References Knowles, C.O., et al.: B. Environ. Contam. Tox., 27, 529 (1981); Pacioni, N.L., et al.: Anal. Chim. Acta, 583, 63 (2007); Sanchez, F.G., et al.: Analyst, 116, 851 (1991)

Applications A labelled metabolite of Metronidazole (M338880).
References Haller, I., et al.: Antimicrob. Agents Chemother., 22, 165 (1982), Gibson, R., et al.: Clin. Chem., 30, 784 (1984), Kuti, J., et al.: Pharmacotherapy, 25, 935 (2005),

Applications 3-Methyl Adenine-d3 is labelled 3-Methyl Adenine (M275904). 3-Methyl Adenine is a selective autophagy and phosphoinositide 3-kinase (PI3K) inhibitor (1,2,3). 3-MA inhibits autophagy by blocking autophagosome formation via the inhibition of type III Phosphatidylinositol 3-kinases (PI-3K).
References (1) Munafo, D., et al.: J. Cell Sci., 114, 3619 (2001) (2) Aggarwal, B., et al.: Biochem. Pharmacol., 71, 1397 (2006) (3) Hayat, M., et al.: Oncologist, 12, 20 (2007)

Applications A coumarin (C755380) derivative classified as an anticoagulant.
References Neau, J. et al.: Cereb. Dis., 11, 195 (2001); Boschetti, E. et al.: Chim. Ther., 7, 20 (1972);

Applications The major metabolite of Mosapride (M731000).
References Somogyi, A., et al.: Clin. Pharmacokinet., 8, 463 (1983), Cashman, J., et al.: Drug Metab. Dispos., 21, 587 (1993), Berkman, C., et al.: Biochem. Pharmacol., 50, 565(1995), Blake, B., et al.: Xenobiotica, 25, 377 (1995),

Applications Heterocyclic inhibitor of the RNA-dependent RNA polymerase enzyme transcribed by the Hepatitis C virus.
References Mashino, T., et al.: Bioorg. Med. Chem. Lett., 15, 1107 (2005), Liu, Y., et al.: Biochem., 45, 11312 (2006), Tedesco, R., et al.: J. Med. Chem., 49, 971 (2006),

Applications Labelled Cephapirin (C261500). An antimicrobial agent.
References Tan, J.S., et al.: Antimicrob. Agents Chemother., 15, 510 (1979),

Applications Copper Acetoarsenite has been used as a rodenticide and insecticide, and also as a pigment, despite its toxicity. It is also used as a blue colorant for fireworks.
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 Gaines, T.: Toxicol. Appl. Pharm., 2, 88 (1960); Jameson, F.: Paint Manu., 13, 6 (1943)

Applications Adamantane-d16 is used in the fast catalytic hydroxylation of hydrocarbons with ruthenium porphyrins. Unlabeled adamantane derivatives have been used to treat influenza, as well as serve as NMDA receptor channel blockers for a wide range of pharmaceutical application.
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 Wang, C. et al.: Inorg. Chem. 45, 4769 (2012); Thomas. A. et al.: J. Neurosci., 25, 3312 (2005); Deyde, V. et al.: Exp. Rev. Mol. Diag., 9, 493 (2009);

Applications Isoprocarb is a non-systematic carbamate insecticide. Isoprocarb functions by reversibly inactivating the enzyme acetylcholinesterase in insects.
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 Voss, G.: Anzeig. Schaedling., 40, 73 (1967); Metcalf, R.L. et al.: J. Agric. Food Chem., 15, 1022 (1967); Nishioka, T. et al.: Pest. Biochem. Physiol., 6, 320 (1976);

Applications Mieshuan is a pesticide. It is effective against house and wild rodents, including rats and mice.
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 Teng, T., et al.: Zhonghua Yufang Yixue Zazhi, 13, 220 (1979); Deng, Z.: Chinese J. Preventive Medicine, 13, 220 (1979)

Applications Isocarbofos D7 (isopropyl D7) is the labelled analogue of Isocarbophos(I789303). Isocarbophos is an organophosphorus pesticide residue found in spicy foods and nuts.
References Gao, Y., et al.: Huaxue Shiji, 39, 1083 (2017); Dong, Y., et al.: Fenxi Huaxue, 45, 1397 (2017)

Applications A deuterated tyrosine kinase inhibitor. Highly specific for BCR-ABL, the enzyme associated with chronic myelogenous leukemia (CML) and certain forms of acute lymphoblastic leukemia (ALL). It is a COVID19-related research product.
References Schindler, T., et al.: Science, 289, 1938 (2000), Drucker, B.J., et al.: N. Engl. J. Med., 344, 1031 (2001),

Applications Chlorphenesin-D5 is an isotopic labeled form of Chlorphenesin (C424250). Chlorphenesin is an antigen-associated immunosuppressant that inhibits IgE-mediated histamine release. Chlorphenesin is also used as an antimycotic agent.
References Whang, H.Y. et al.: Infect. Immun., 2, 60 (1970); Lichtenstein, L.M. et al.: J. Immunol., 103, 866 (1969); Thoma, K. et al.: Pharmazie, 52, 362 (1997);

Impurity Oxifloxacin EP Impurity F
Applications Levofloxacin N-oxide is an impurity of Ofloxacin (O245750), which is a fluorinated quinolone antibacterial.
References Horstkotter, C., et al.: J. Chromatography Biomed. Sci. Appli., 754, 169 (2001); Monk, J.P., et al.: Drugs, 33, 346 (1987), Drlica, K., Curr. Opin. Microbiol. 2, 504 (1990)

Impurity Clindamycin Phosphate EP Impurity F
Applications Lincomycin 2-Phosphate (Clindamycin Phosphate EP Impurity F) is the derivative of Lincomycin (L466200), a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial.
References Mason, D.J., et al.: Antimicrob. Agents Chemother., 555 (1962), Gray, et al.: Toxicol. Appl. Pharmacol., 6, 476 (1964), Muti, H.Y., et al.: Anal. Profiles Drug Subs. Excip., 23, 269 (1994),

Applications Labelled Tinidazole. Antiprotozoal (Trichomonas, Giardia); antiamebic; antibacterial.
References Miller, M.W., et al.: J. Med. Chem., 13, 849 (1970), Oderdea, G., et al.: Gut, 33, 1328 (1992),

Applications Bisphenol AP-d5 is the isotope labelled analog of Bisphenol AP. Bisphenol AP is used to prepare triphenylmethane derivatives as inhibitors of hepatitis C virus helicase. It is a derivative of Bisphenol A (B519495) which is a monomer used for policarbonate and epoxy resins.
References Chen, C., et al.: J. Med. Chem., 52, 2716 (2009); Krishnan, A.V., et al.: Endocrinology, 132, 2279 (1993); Steinmetz, R., et al.: Trends Endocrinol. Metab., 9, 124 (1998); Petersen, H., et al.: Eur. Food Res. Technol., 216, 355 (2003)

Applications Selexipag is an orally available, highly selective, long-acting prostacyclin (IP) receptor agonist prodrug. It is a potential drug for the treatment of various vascular disorders such as pulmonary arterial hypertension and arteriosclerosis obliterans.
References Kuwano, K., et al.: J. Pharm. Exp. Ther., 322, 1181 (2007);

Applications Rasagiline-13C3 Hydrochloride is a labeled hydrochloride salt analogue of Rasagiline (R126000), a selective irreversible MAO-B inhibitor. Rasagiline is an Antiparkinsonian agent.
References Rabey, J.M. et al.: Clin. Neuropharmacol., 23, 324 (2000); Glezer, S. et al.: Eur. J. Pharmacol., 472, 173 (2003); Youdim, M.B.H. et al.: Biochem. Pharmacol., 66, 1635 (2003); Chen, J.J. et al.: J. Clin. Pharmacol., 45, 878 (2005);

Applications 2,3,5-Trimethacarb is a major constituent in landrin insecticide.
References Sun, Y., Johnson, E.R.: J. Econ. Entomol., 65, 349 (1972); Slade, M., Casida, J.E.: J. Arg. Food Chem., 18, 467 (1970)

Stability Unstable at room temperature!
Applications Group 1 carbapenem antibiotic. An antibacterial.
References Sundelof, J.G., et al.: Antimicrob. Agents Chemother., 41, 1743 (1997),

Applications Anxiolytic. Controlled substance (depressant).
References Cone, E., et al.: J. Pharm. Sci., 73, 243 (1984), Maurer, H., et al.: J. Anal. Toxicol., 25, 237 (2001), Beyer, J., et al.: Ther. Drug Monit., 27, 151 (2005),

Applications An antibiotic produced by Streptomyces lincolnensis. Lincomycin is a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial.
References Mason, D.J., et al.: Antimicrob. Agents Chemother., 555 (1962), Gray, et al.: Toxicol. Appl. Pharmacol., 6, 476 (1964), Muti, H.Y., et al.: Anal. Profiles Drug Subs. Excip., 23, 269 (1994),

Stability Moisture Sensitive
Applications Chlorpyrifos Oxon is a metabolite of Chlorpyrifos (C425300) in human.
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 Atterberry, T., et al.: Toxicol. Appl. Pharmacol., 147, 411 (1997), Karanth, S., et al.: Toxicol. Sci., 58, 282 (2000), Barter, Z., et al.: Drug Metab. Dispos., 36, 2405 (2008),

Applications Flumetsulam is a ighly active herbicide of the triazolopyrimidine sulfonanilide class. Flumetsulam act by inhibiting acetolactate synthase. Flumetsulam exhibits broad spectrum activity on broadleaf weed species with selectivity to several major agronomic crops in soil and foliar applications.
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 Kleschick, W.A. et al.: J. Agric. Food Chem., 40, 1083 (1992); Frear, D.S. et al.: Pest. Biochem. Physiol., 45, 178 (1993); Webster, E.P. et al.: Weed Sci., 49, 652 (2001);

Applications (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid is an intermediate in the synthesis of Ofloxacin (O245750), an fluorinated quinolone based antibacterial agent.
References Mitscher, L. A., et la.: J. Med. Chem., 30, 2283 (1987);

Impurity USP Azithromycin Related Impurity H /Azithromycin EP Impurity H
Stability Hygroscopic
Applications 3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-demethyl Azithromycin is an impurity of Azithromycin (A927000).
References Debremaeker, D. et al.: Rap. Comm. Mass. Spec., 17, 342 (2003);

Applications Labelled Sulfadoxine (S699070). Used as an antibacterial.
References Kapoor, V.K., et al.: Anal. Profiles Drug Subs., 17, 571 (1988)

Applications 2-Methoxypropene is used in the synthesis of Macrolactin A, a 24-member macrolide typically employed as an antibiotic. Also used in the synthesis of phenylalanine derivatives used as α4β1 and α4β7 receptor antagonists in the treatment of allergic asthma.
References Marino, K. et al.: J. Am. Chem. Soc., 12, 1664, (2002); Tilley, J. et al.: Bioorg. Med. Chem. Lett., 23, 1036 (2013);

Applications Isotope labelled enantiomer of Voriconazole (V760000), an antifungal agent and an ergosterol biosynthesis inhibitor.
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 Sanati, H., et al.: Antimicrob. Ag. Chemother., 41, 2492 (1997),

Applications Prazosin is a useful α1 and α2B-adrenoceptor antagonist.