Toxicology

Applications Ethoprophos is an organophosphate non-systemic nematicide and soil insecticide (1). Ethoprophos is an acetylcholinesterase (AChE) inhibitor (2,3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants. Used as a standard for Pesticide detection. Ethoprophos is also useful in cannabis testing kits as a component of pesticide mixes (P698230).
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. Wing, K. et al.: Pest. Biochem. Physiol. 1984. Feb:21(1) pp22-302. Opperman, C. et al.: J. Nematol. 1990 Oct;22(4):481-83. Nordmeyer, D. et al.: Plant. Dis. J. 1985 Jan:69: 67-69

Stability Moisture Sensitive
Applications Orthosulfamuron can be used in biological study and agricultural use of herbicidal composition comprising erlukuilincaotong, cyhalofop-​butyl and sulfonylurea herbicide, and its application in controlling annual weed of rice field.
References Wang, L., et al.: Faming Zhuanli Shenqing, CN 106386836 A 20170215 (2017)

Applications Selective pre-emergence 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 Bailey, G.W., et al.: Residue Rev., 10, 97 (1965), Chun, O., et al.: Food Chem. Toxicol., 41, 1063 (2003), Berrada, H., et al.: Food Control., 21, 36 (2010),

Applications (±)-Quizalofop-ethyl-d3 (propionate-3,3,3-d3) is the labelled version of Quizalofop-ethyl (Q826108(P)), which may have agricultural applications specifically in controlling plant diseases. (±)-Quizalofop-ethyl-d3 (propionate-3,3,3-d3) has been useful in analytical studies as well, particularly in the development of retention time interpolation scale for liquid chromatography.
References Watanabe, S., Jpn. Kokai Tokkyo Koho (2020) JP 2020125364 A; Celma, A., et al.: J. Chromatogr. A, 1568, 101 (2018)

Applications Deuterated Irinotecan, a DNA topoisomerase inhibitor.
References Kunimoto, T., et al.: Cancer Res., 47, 5944 (1987), Shimada, Y., et al.: J. Clin. Oncol., 11, 909 (1993)

Stability Moisture Sensitive
Applications S-Methyl Fenitrothion is a metabolite of Fenitrothion (F247850), an insecticide.
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 Fukushima, M., et. al.: J. Agr. Food Chem., 51, 5016 (2003); Nishizawa, Y., et al.: Agric. Biol. Chem., 25, 605 (1961)

Applications Clothianidin-d3, 13C1 is the isotope labelled analog of Clothianidin. Clothianidin is a neonicotinoid insecticide for use in food crops.
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 Kamel, A., et al.: J. Agric. Food Chem., 58, 5926 (2010), Lynd, L., et al.: Energy Environ. Sci., 3, 1150 (2010), Cresswell, J., et al.: Ecotoxicology, 20, 149 (2011),

Applications A labelled metabolite of the pesticide Glyphosphate (G765000).
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 Siehl, D.L. et al.: J. Biol. Chem., 282, 11446 (2007); Env. Prot. Agen. EPA: Fed. Reg., 74, 67129 (2009);

Stability Hygroscopic
Applications Metabolite of Testosterone (T155000).
References Shibata, N., et al.: Biochem. J., 368, 783 (2002), Sonneveld, E., et al.: Toxicol. Sci., 83, 136 (2005), Schulze, J., et al.: J. Clin. Endocrinol. Metab., 93, 2500 (2008), Sten, T., et al.: Drug Metab. Disposition, 37, 417 (2009),

Applications Sorbic Acid-13C2 is an isotope labelled compound of Sorbic Acid (S676890). Sorbic Acid is a naturally occurring organic compound first isolated from unripe berries. Sorbic acid has been used as a food preservative and as an inhibitor of Clostridium Botulinum bacteria in meat products in order to reduce the amount of nitrites which produce carcinogenic nitroamines.
References Van, M.C., et al.: Int. J. Food. Microbiol., 160, 124 (2012); Li, J., et al.: J. Am. Soc. Mass. Spec., 23, 1625 (2012);

Applications Chlorimuron-ethyl-d5 is a labeled analogue of Chlorimuron-ethyl (C371273), which is used in weed control method as herbicide.
References Sada, Y., et al.: PCT Int. Appl. 45 pp. (2020)

Applications Sumatriptan Succinate is a selective 5-HT1B/1D-receptor agonist with anticonvulsant properties (1,2). Sumatriptan Succinate is used for migraine relief (2).
References (1) Razzaque, Z., et al.: Br J Clin Pharmacol. 47, 75 (1999) (2) Cady, R. K., et al.: J Headache Pain. 18, 17 (2017)

Applications Analgesic; antipyretic; anti-inflammatory; antithrombotic.
References Hart, E.R., et al.: J. Pharmacol. Exp. Ther., 89, 205 (1947), Florey, K., et al.: Anal. Profiles Drug Subs., 8, 1 (1979),

Applications 4,4'-Dichlorodiphenyldichloroethane is a synthetic organochlorine insecticide. 4,4'-Dichlorodiphenyldichloroethane is a metabolite of 4,4'-Dichlorodiphenyltrichloroethane (D434195). 4,4'-Dichlorodiphenyldichloroethane is a probable carcinogen (Group B2).
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 Tao, S. et al.: Environ. Sci. Technol., 39, 2494 (2005); Zhou, Q. et al.: J. Chrom. A, 1216, 6680 (2009); Weiderpass, E. et al.: Cancer Epidemiol. Biomark. Prev,., 9, 487 (2000);

Applications 2-Methyl-1,2-benzisothiazolin-3-one (CAS# 2527-66-4) is a useful research chemical compound.

Applications Tribenuron is an herbicide used in the protection of grains and produce crops.
References Nazari A. et al.: Int J. Agri. Crop Sci., 5, 449 (2013);

Stability Hygroscopic
Applications D-(+)-2-Phosphoglyceric Acid Sodium Hydrate (cas# 70195-25-4) is a compound useful in organic synthesis.

Applications Flufenacet is an anilide based herbicide that is applied to the soil surface or incorporated before the crop is emerged. Flufenacet is often used in field corn, corn grown for silage or soybeans to control annual grasses and broadleaf weeds.
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 Hulting, A.G., et al.: Weed. Technol., 26, 230 (2012); Bailly, G.C., et al.: Crop Protect., 34, 96 (2012);

Applications A neonicotinoid insecticide. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens. Useful in cannabis testing kits as a component of pesticide mixes (P698240).
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 Oliver, J., et al.: J. Environ. Horticult., 28, 135 (2010), Ghosh, A., et al.: J. Entomol. Res., 34, 35 (2010), Chem. and Eng. News 90: 10 (2012)

Applications Dicyclopentadiene is used in the preparation of poly(ionic liquid) brushes, used in anti-bacterial and anti-biofouling applications. Also used in the preparation of copolymer structures in the synthesis of nanocapsules.
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 Ye, Q. et al.: J. Mat. Chem., 22, 13123 (2012); Fickert, J. et al.: Macromol., 46, 573 (2013);

Applications Endosulfan Sulfate is a pesticide used in the control and protection of plant and vegetation. Endosulfan Sulfate is useful in cannabis testing kits as a component of pesticide mixes (P698230).
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 Weston, D. et al.: Env. Sci. Tech., 38, 2752 (2004); Antonious, G. et al.: Env. Tox. Chem., 16, 644 (1997);

Applications An anticholinergic. Used as an antispasmodic.
References Zhang, L., et al.: Pharm. Res., 25, 1902 (2008), Sanderson, H., et al.: Toxicol Lett., 187, 84 (2009),

Applications Flucarbazone-sodium is a herbicide.
References Eliason, R., et al.: Weed Sci., 52, 857 (2004);

Applications Metolachlor OA is a derivative of Metolachlor (M338700), a selective pre-emergence herbicide. Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.
References 1. McGahen, L. et al.: J. Agric. Food Chem. 1978 26 (2), pp 414–4192. Chesters, G. et al.: Rev. Environ Contam Toxicol. 1989;110:1-74.

Applications Orally active inhibitor of central and peripheral catechol-O-methyltransferase (COMT). Antiparkinsonian.
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 Dingemanse, J., et al.: Clin. Pharmacol. Ther., 57, 508 (1995), Keating, K.A., Drugs, 19, 165 (2005),

Applications Isotope labelled Melamine (M208703), which forms synthetic resins with formaldehyde. It remains largely non-metabolized in male Wistar rats with 90% of the administered dose excreted in the urine (1,2) and thus acts as a non-protein nitrogen food additive found in milk (3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.
References 1. Mast, R. et al.: Food Chem Toxicol. 1983 Dec;21(6):807-10.2. Smith, J. et al.: Toxicol Appl Pharmacol. 1994 Apr;125(2):296-308.3. Anirudhan, T. et al.: Food Chem. 2017 Jul 15;227:85-92.

Applications Labelled acetylsalicylic acid impurity B.
References Walter, M., et al.: Eur. J. Biochem., 1996, 239, 281 (1996), Bantignies, B., et al.: Plant Mol. Biol., 42, 871 (2000), Bais, H., et al.: J. Biol. Chem., 278, 32413 ( 2003), Finkler, C., et al.: Genetica, 124, 117 (2005),

Applications 1-Cyano-6-(methylsulfonyl)-7-nitro-9H-xanthen-9-one is an impurity of Mesotrione (M225765), a herbicide that works by inhibiting 4-hydroxyphenylpyruvate dioxygenase (HPPD), a crucial enzyme for the biosynthesis of carotenoid in plants. Mesotrione is also a synthetic analog of lepospermone.
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 Deng, L., et al.: Indus. Crops. Prod., 39, 154 (2012); Pileggi, M., et al.: Chemosphere., 86, 1127 (2012); McElroy, J., S., Hort. Technol.,22, 627 (2012);

Applications Agricultural fungicide.
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 Cohen, S., et al.: Crit. Rev. Toxicol., 40, 531 (2010), Wong, J., et al.: J. Agric. Food Chem., 58, 5884 (2010),

Stability Hygroscopic
Applications p-Cresol Sulfate Potassium Salt-d4 is the labelled analogue of p-Tolyl Sulfate Potassium Salt (T536805), the major component of urinary myelin basic protein-like material and is derived through the secondary metabolism of p-cresol (C781900).
References Cuoghi, A., et al.: Anal. Bioanal. Chem., 404, 2097 (2012); Wu, I.W., et al.: Nehphrol. Dial. Transplan., 27, 1169 (2012);

Impurity Azithromycin EP Impurity B
Applications Azithromycin B (Azithromycin EP Impurity B), is an impurity of Azithromycin (A927000), a semi-synthetic macrolide antibiotic, and related to Erythromycin A.
References Langtry, H.D., et al.: Drugs, 56, 273 (1998),

Applications Bictegravir, 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;

Stability Light Sensitive
Applications Second generation tetracycline antibiotic. This compound has neuroprotective properties.
References Zbinovsky, V., et al.: Anal. Profiles Drug Subs., 6, 323 (1977), Oringer, R.J., et al.: J. Periodontol., 73, 835 (2002),

Impurity Mometasone Furoate EP Impurity H
Applications 21-Hydroxy Deschloromometasone Furoate (Mometasone EP Impurity H) is an impurity of Mometasone Furoate (M490000), a topical corticosteroid used as an anti-inflammatory.
References Shapiro, E.L., et al.: J. Med. Chem., 30, 1581 (1987); Graft, D., et al.: J. Allergy Clin. Immunol., 98, 724 (1996);

Applications Cycloprate is an insecticide with ovicidal activity.
References Asano, S., et al.: Apl. Entomol. Zool., 17, 67 (1982); Asano, S., et al.: Nippon Oyo Dobutsu Konchu Gakkaishi, 23, 113 (1979)

Applications Carvedilol-d5 is the labelled analog of Carvedilol, a nonselective β-adrenergic blocker with α1-blocking activity. Carvedilol is an antihypertensive used in the treatment of congestive heart failure.
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 Hirohashi, M., et al.: Arzneim.-Forsch., 40, 735 (1990), Packer, M., et al.: N. Engl. J. Med., 334, 1349 (1996),

Stability Moisture Sensitive
Applications Phosphoric acid diethyl ester is an organophosphate that is usually found in pesticides and is known to induce changes in male hormone profile by decreasing serum testosterone and inhibin B levels. Phosphoric acid diethyl ester is also known to negatively affect the health of women and newborns living in agricultural communities.
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 Aguilar-Garduno, C., et al.: Toxicology, 307, 55 (2013); Huen, K., et al.: Environ. Res., 117, 8 (2012)

Stability Hygroscopic
Applications A medicinal agent for treating viral infections.
References Chiou, W., et al.: J. Pharm. Sci., 60, 1281 (1971), Ford, J., et al.: J. Pharm. Pharmacol., 31, 726 (1979), Tamblyn, S., et al.: Eur. J. Epidemiol., 10, 503 (1994), Suzuki, H., et al.: Chem. Pharm. Bull., 45, 1688 (1997),

Applications Labelled Entecavir. An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process.
References Innaimo, S.F., et al.: Antimicrob. Agents Chemother., 41, 1444 (1997), Honkoop, P., et al.: Expert Opin. Invest. Drugs, 12, 683 (2003), Chang, T.-T., et al.: N. Engl. J. Med., 354, 1001 (2006),