Toxicologie

Applications Labelled Asenapine. Asenapine is a combined serotonin (5HT2) and dopamine (D2) receptor antagonist; structurally related to Mianserin. 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 Meltzer, H. et al.: J. Pharmacol. Exp. Ther., 251, 238 (1989); Schotte, A. et al.: Brain Res., 631, 191 (1993); Andree, B. et al.: Psychopharmacology, 131, 339 (1997); Richelson, E. et al.: Life Sci., 68, 29 (2000);

Applications Clascoterone is being developed as a topical cream by Cassiopea for androgen-​dependent skin disorders.
References Dhillon, S., et al.: Drugs, 80, 1745 (2020)

Applications Tiglylcarnitine Hydrochloride is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Tiglylcarnitine Hydrochloride can be diagnostic for a number of ß-oxidation defects.
References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)

Applications (E)-Thiothixene is an antipsychotic agent used in the treatment of psychological disorders.
References Andorn, A. et al.: Brain Res., 971, 66 (2003); Seeman, P. et al.: Mol. Pharmacol. 28, 391 (1985);

Applications N-Desmethyl Regorafenib-d3 is the isotope labelled analog of N-Desmethyl Regorafenib (D293270); a synthetic metabolite of Regorafenib (R143000) used for treatment and prevention of cancer.
References Wilhelm, S.: PCT Int. Appl. WO 2011130728 A1 20111020. Oct 20, 2011

Applications 2-Oxo-mirabegron N-Carbamoylglucuronide is a metabolite of Mirabegron (M364900) which is a potent bladder relaxant and reagent for diabetes remedy.
References van Teijlingen, R., et al.: J. Chromat. B Anl. Technol. Biomed. Life Sci., 887, 102 (2012)

Stability Very Hygroscopic
Applications 3-Methylglutarylcarnitine Chloride is the chloride salt of M226345, which is derived from DL-Carnitine Benzyl Ester Chloride (C184135), which is an intermediate in the synthesis of 3-Hydroxybutyrylcarnitine Hydrochloride (H830900), a reagent used to study acylcarnitine profile in thyroid disease.
References Hintze, U., et al.: Lipids., 10, 20 (1975)

Applications 2,6-Dichlorobenzamide is the persistent metabolite of herbicide 2,6-Dichlorobenzonitrile (D431945).
References Li, H., et al.: Soil Sci. Soc. Am. J., 67, 122 (2003); Shedletzky, E., et al.: Plant Physiol., 94, 980 (1990)

Stability Hygroscopic
Applications A major metabolite of Nicotine in humans. Carcinogen.
References Benowitz, N., et al.: Clin. Pharmacol. Ther., 56, 483 (1994), Nakajima, M., et al.: Drug Metab. Dispos., 24, 1212 (1996), Messina, E., et al.: J. Pharmacol. Exp. Ther., 282, 1608 (1997), Oscarson, M., et al.: Hum. Mutat., 20, 275 (2002),

Applications Azocyclotin is an organotin aracacide used in the control of mites. Azocyclotin showed weak antifeedant activity against other insects such as Spodoptera littoralis.
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 Hammann, I. et al.: Pflanzensch.-Nach., 31, 61 (1978); Ascher, K.R.S.: Naturwissenschaften, 67, 312 (1980);

Applications Analgesic (narcotic). Controlled substance (opium derivative).
References Zhao, M., et al.: Bioorg. Med. Chem., 15, 2815 (2007), Zhao, M., et al.: Eur. J. Med. Chem., 43, 1048 (2008), Roy, K., et al.: Eur. J. Med. Chem., 44, 2913 (2009),

Applications It is listed as a known human carcinogen. Used in manufacturing of dyes, as antioxidant in rubber.
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 Dong, Y., et al.: Bioorg. Med. Chem. Lett., 20, 4085 (2010), Vassiltsova, O., et al.: J. Nanosci. Nanotechnol., 10, 1635 (2010), Garcia-Lavandeira, J., et al.: Anal. Bioanal. Chem., 397, 751 (2010),

Applications A piperidine based pesticide
References Iwakubo, M., et al.: Bioorg. Med. Chem., 15, 350 (2007), Jia, P., et al.: Eur. J. Med. Chem., 44, 772 (2009),

Applications Isotope Labelled Triphenyltin Hydroxide (T809350), 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. 3. Golub, M. et al.: J. Toxicol. Environ. Health B. Crit. Rev. 2004 Jul-Aug;7(4):281-95

Applications bis(8-Quinolinolato-κN1,κO8)-Copper is a disinfectant for vegetables. High polarity pesticide.
References Li, Z., et al.: Anal. Lett., 49, 737-743 (2016); Kim, H. S., et al.: Organohalog. Compd., 75, 359-362 (2013)

Stability Volatile
Applications Labelled analiogue of Dimepranol, a component of Inosine pranobex (I822350) that produces a small but significant inhibition of the histamine release from human mast cells. Dimepranol is one of the compounds used to identify the illegal manufacture of methadone.
References Gielsdorf, W. et al.: Arch. Kriminol., 164, 83 (1979); Schmutzler, W. et al.: Int. Arch. Allergy Appl. Immunol., 88, 244 (1989);

Applications A labelled metabolite of Codeine (C634075). Analgesic (narcotic); antitussive.
References Frances, B., et al.: J. Pharm. Exp. Ther., 25, 262 (1992), Osborne, R., et al.: Br. J. Clin. Pharm., 34, 130, (1992),

Applications R-(-)-Norapomorphine Hydrochloride-d5 is the isotope labelled analog of R-(-)-Norapomorphine Hydrochloride (N661030); an (R)-Apomorphine (A727500) derivative as inhibitor of amyloid-β (Aβ) fibril formation and their use in amyloidosis based disease.
References Howlett, D., et al.: Biochem. J., 340, 283 (1999); Kuner, P., et al.: J. Biol. Chem., 275, 1673 (2000); Ono, K., et al.: J. Neurosci. Res., 75, 742 (2004)

Applications 2’-Des(1-hydroxy-1-methylethyl)-2’-carboxy Montelukast Bissodium Salt is an impurity of Montelukast Sodium Salt (M568000), a selective leukotriene D4-receptor antagonist. Used as an antiasthmatic.
References Labelle, M., et al.: Bioorg. Med. Chem. Lett., 5, 283 (1995); Jones, T.R., et al.: Can. J. Physiol. Pharmacol., 73, 191 (1995); Markham, A. and Faulds, D.: Drugs, 56, 251 (1998)

Applications A reactive metabolite of Lapatinib (L175800) which is associated with various drug toxicities. Lapatinib is metabolized mainly by P450 3A4 to form O- and N-dealkylated metabolites.
References He, K., et al.: Chem. Res. Toxicol., 11, 252 (1998), Rusnuk, D., et al.: Cancer Res., 61, 7196 (2001), Li, X., et al.: Drug Metab. Dispos., 37, 1242 (2009),

Applications Protected Paclitaxel metabolite.

Applications Spasmoxale is an analgesic.
References Deeb, O., et al.: Chem. Biol. Drug. Des., 76, 255 (2010); Mathur, K.C., et al.: Bioorg. Med. Chem., 11, 1915 (2003)

Stability Hygroscopic
Applications 4-Hydroxybutyryl-L-carnitine Chloride, is an aryl carnitine, which is an important metabolite used as a diagnostic tool for detecting inherited metabolic disorders. Antibodies can be raised against L-carnitine and other carnitine-related compounds to measure the quantity of L-carnitine in biological samples and serum.

Applications 3-sec-Amylphenyl N-Methylcarbamate is a component of the carbamate insecticide Bufencarb (B689385).
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 Kmellar, B., et al.: Food Addit. Contam., 27, 1415 (2010); Kaufmann, A., et al.: Anal. Bioanal. Chem., 403, 1233 (2012);

Applications 1,2-Epoxy GA3, is a derivative of Gibberellic Acid (G3774500), a hormone that is found in plants which promotes the growth and elongation of cells. Gibberellic acid acts as a plant growth regulator on account of its physiological and morphological effects in extremely low concentrations. Generally Gibberellic acid affects only the plant parts above the soil surface.
References Bayle, J. et al.: Chem. Biol., 13, 99 (2006); Ihara, S. et al.: J. Cell Sci., 119, 500 (2006); Suh, B. et al.: Science, 314, 1454 (2006); Rinaudo, K. et al.: Nat. Biotechnol., 25, 795 (2007);

Applications A labelled metabolite of Cortisol.
References Abel, S., et al. J. Steroid Biochem. Mol. Biol., 45, 445 (1993), Yates, C., et al.: Pharm. Res., 20, 1794 (2003),

Applications Testosterone Octanoate-d15 is the isotope analog of Testosterone Octanoate. Testosterone Octanoate is a metabolite of tesosterone (T155000), which is used in biological studies to determine the hemolytic and lipophilic activity of this anabolic steroid.
References Biagi, G.L., et al.: J. Med. Chem., 13, 944 (1970); Biagi, G. L., et al.: J. Med. Chem., 18, 873 (1975)

Applications 4-Bromoaniline is a brominated aniline used as a building block in the preparation or pharmaceutial and organic compounds.
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 Abdel-M. et al.: J. Org. Chem., 61, 3849 (1996); Sridhar, S.. et al.: Eur. J. Med. Chem., 36, 615 (2001);

Applications Intermediate in the preparation of Mifepristone derivatives.
References Jiang, W., et al.: Bioorg. Med. Chem. Lett., 17, 1471 (2007),

Applications Deoxycholic Acid-24-13C (CAS# 52886-37-0) is a useful isotopically labeled research compound.

Applications Nor Dihydrocodeine is a metabolite of Dihydrocodeine (D448850).This is a controlled substance.
References Lahti, R., et al.: Eur. J. Pharmacol., 109, 281 (1985), Schwanstecher, M., et al.: J. Neurochem., 59, 1325 (1992), Bartlett, S., et al.: Life Sci., 57, 609 (1995), Ammon, S., et al.: Brit. J. Clin. Pharmacol., 48, 317 (1999),

Stability Hygroscopic
Applications Imazalil Sulfate is an imidazole derivative used as a fungicide. Imazalil Sulfate controlled epidermis anthracnosis caused by Colletotrichum musae and crown rot in harvested bananas. Imazalil Sulfate is used for fungal protection of citrus fruits such as oranges and lemons as well as other fruits. Imazalil Sulfate is an effective fungicide allowing induction of barley callusin culture media.
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 Frossard, P. et al.: Fruits, 361 (1976); Van Gestel, J. et al.: Plant Dis. Rep., 63, 283 (1979); Laencina, J. et al.: EFCE Pub. Ser., 12, 295 (1980); Coppens, L. et al.: Meded. Fac. Landbouw. Uni. Gent., 49, 351 (1984);

Applications Ethylmorphine impurity.
References Pfeifer, S., et al.: Pharmazie, 27, 648 (1972),

Applications Methyl 3,6-dichloropyridine-2-carboxylate

Applications 2,3-Dichloropropanoic acid is an organochlorine herbicide
References Okochi, Yumiko, et al.: Kankyo Gijutsu, 26(4), 225-228 (1997)

Applications Protected Propofol metabolite.

Stability Hygroscopic
Applications 1-Amino-3-Hydroxybenzene is used in the preparation of inhibitors of mammalian carbonic anhydrase isoforms. Also used in the preparation of quinoline tethered fluorescent carbon dots for regulated anticancer discovery.
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 Carta, F. et al.: Bioorg. Med. Chem., 21, 1564 (2013); Karthik, S. et al.: Chem. Comm., 49, 10471 (2013);

Applications Debenzoic Acid Bromotelmisartan-d4 is the labeled analogue of Debenzoic Acid Bromotelmisartan (D289630), an impurity of Telmisartan (T017000), an angiotensin II receptor antagonist.
References Wienen, W., et al.: Brit. J. Pharmacol., 110, 245 (1993), Neutel, J.M., and Smith, D.H.G.: Adv. Ther., 15, 206 (1998)

Applications Isotope labelled glucuronide metabolite of the drug Bupropion (B689625).

Applications Pilocarpine Nitrate is an antiglaucoma agent; miotic; sialogogue.
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 Shahar, O. et al.: Nucl. Acids Res., 42, 5689 (2014); Li, J. et al.: Int. J. Pharm., 455, 75 (2013);

Applications Estradiol 4-Carboxymethyl, is a metabolite of 17β-Estradiol (E888000). Estradiol is the major estrogen secreted by the premenopausal ovary.
References Bucala, R., et al.: J. Clin. Endocrinol. Metab., 60, 841 (1985), Telang, N., et al.: Anticancer Res., et al.: 11, 1021 (1991), Seeger, H., et al.: Med. Sci. Res., 26, 481 (1998), Bolton, J., et al.: Chem. Res. Toxicol., 13, 135 (2000),

Applications rac-Naproxen 2-Propyl Ester is an impurity of Naproxen (N377520) an non-steroidal antiinflammatory agent.
References Mermerian, A.H., et al.: J. Am. Chem. Soc., 127, 5604 (2005); Melgar-Fernande., et al.: Tetrahedron. Lett., 46, 1221 (2005);

Applications (1S,2R)-erythro-Dihydro Bupropion is a metabolite of Bupropion (B689625), a selective inhibitor of dopamine uptake.
References Writer, J.H., et. al.: Sci. Total Environ., 461 (2013)

Applications A metabolite of new designer drug α-Pyrrolidinopropiophenone (PPP). α-Pyrrolidinophenones like 4'-Methyl-α-pyrrolidinopropiophenone (MPPP), 4'-Methoxy-α-pyrrolidinopropiophenone (MOPPP), 3',4'-Methylenedioxy-α-pyrrolidinopropiophenone (MDPPP) and 4'-Methyl-α-pyrrolidinohexanophenone (MPHP) are new designer drugs which have appeared on the illicit drug market. Controlled substance.
References Bryant, S., et al.: Clin. Pharm., 1983, 2, 525 (1983), Kalix, P., et al.: Biochem. Pharmacol., 35, 3015 (1986), Maurer, H., et al.: J. Anal. Toxicol., 24, 340 (2000), Kraemer, T., et al.: Drug Metab. Dispos., 2000, 28, 339 (2000),

Applications Milbemycin D (~90% purity) is a macrocyclic lactones that can be used as a nematocide and insecticide.
References Arena, J. P., et al.: J. Parasitol 81, 286 (1995); Takiguchi, Y., et al.: J. Antibiot 36, 502 (1983)

Stability Hygroscopic, Light Sensitive
Applications Intermediate for the synthesis of Furosemide Acyl-β-D-glucuronide.