Toxicology

Applications Sethoxydim is a neuroplastin isoforms, a member of Ig superfamily. It is expressed and important in stereocilia of outer hair cells function. Also, it is derived from Crotonaldehyde (C818650), which is an αβ-unsaturated aldehyde and an alkylating agent that is commonly found in tobacco smoke and some foods. Crotonaldehyde is also a known mutagen and carcinogen.
References Zeng, W., et al.: J. Neurosci., 36, 9201-9216 (2016); Scherer, G., et al.: Hum. Exp. Toxicol., 26, 37 (2007); Zhang, S., et al.: Chem. Res. Toxicol., 19, 1386 (2006)

Stability Hygroscopic
Applications Anorexic.
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 Pinder, et al.: Drugs, 10, 241 (1975), Caccia, S., et al.: Eur. J. Clin. Pharmacol., 29, 221 (1985), Finner, N., et al.: Curr. Ther. Res., 38, 847 (1985),

Applications Perindoprilat-d4 is the isotope labelled analog of Perindoprilat (P287531); an angiotensin-converting enzyme (ACE) inhibitor and antihypertensive.
References Pascard, C., et al.: J. Med. Chem., 34, 663 (1991)

Applications Carboxin Sulfoxide is an oxathiin systemic fungicide used on biological systems.
References Mathre, D. E.: Pestic. Biochem. Phys., 1, 216 (1971); Mathre, D. E.: Bull. Environ. Contam. Toxicol. , 8, 311 (1972)

Applications Thifensulfuron is used as a herbicide, a chemical compound that function by inhibiting the action of a plant enzyme, stopping plant growth, and eventually killing the plant.
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 Battaglin, W. A., et al.: Sci. Total Environ., 248, 123(2000)

Applications Heparin is a heterogeneous mixture of variably sulfated polysaccharide chains. It acts as an anti-coagulant, due to various antithrombin binding sites along the molecular structure.
References Kelton, J. et al.: J. Thromb. Haemost., 10, 1446 (2012); Gouin-Thibault, I. et al.: J. Thromb. Haemost., 101, 986 (2009); Merck Index 14th ed. 804;

Applications Gliftor is a rodenticide.
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 Menon, K., et al.: J. Biochem. Mol. Toxicol., 15, 47 (2001); Xie, W., et al.: J. Hygiene Res. 31, 316 (2002)

Applications Labelled analogue of Axitinib, a tyrosine kinase inhibitor. Axitinib is used in cancer therapy.
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 Wasser, K. et al.: Eur. Radiol., 13, 80 (2003),; Park, J. et al.: Clin. Cancer Res., 8, 1172 (2002); Bergers, G. et al.: J. Clin. Invest., 111, 1287 (2003);

Stability Very Hygroscopic
Applications The major metabolite of herbicidal Glufosinate (G596950).

Applications Testosterone ester. Testosterone 17-Valerate has been a useful compound in the development of immunochemical techniques for detection of anabolic androgenic steroids in food supplements.
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), Holubova, B., et al.: Eur. Food Res. Technol., 245, 1011 (2019)

Stability Hygroscopic
Applications Labelled Ropivacaine (R675000). Anesthetic (local).
References Cederholm. I., et al.: Reg. Anesth., 19, 18 (1994), Johansson, B., et al.: Anesth. Analg., 78, 210 (1994), Oda, Y., et al.: Anesthesiology, 82, 214 (1995),

Applications (±)-Haloxyfop-d4 is the labeled analogue of (±)-Haloxyfop (H104040) a herbicide.
References Manalil, S., et. al.: Weed Sci., 59, 210 (2011);

Applications Cyproheptadine is a first-generation antihistamine with additional anticholinergic, antiserotonergic, and local anesthetic properties. Cyproheptadine is a 5-HT2/5-HT1C serotonin receptor antagonist; H1 histamine receptor antagonist; antipruritic.
References Marchei, E., et al.: J. Pharm. Biomed. Anal., 41, 1633 (2006); de-Benedictis, F., et al.: Allergy, 63, 1395 (2008); Feas, X., et al.: J. Pharm. Biomed. Anal., 50, 1044 (2009); Yu, C., et al.: Talanta, 2011, 83, 1376 (2011);

Applications 4-[4-[2-(2-Pyridinyloxy)propoxy]phenoxy]phenol is a metabolite of Pyriproxyfen (P998850); a pyridine-based pesticide used against a variety of arthropoda, in particular to protect cotton crops against whitefly.
References Amiri, A., et al.: J. Agri. Sci. Technol., 14, 1205 (2012); Basit, M., et al.: Crop. Protect., 44, 135 (2013); Yoshino, H., et al.: J. Agr. Food Chem., 43, 2681 (1995); Zhang, L., et al.: Arch. Insect Biochem., 37, 215 (1998)

Applications Dimethenamide-P

Stability Unstable in Protic Solvent
Applications Cefalonium is a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows.
References Endo, T.: Kach. Kokin. Kenk., 12, 8 (1991); Berry, E.A. et al.: J. Dairy Sci., 90, 760 (2007); Bradley, A.J. et al.: J. Dairy Sci., 93, 1566 (2010);

Stability Hygroscopic
Applications A metabolite of Lamivudine (L172500).
References Burgess, K., et al.: Chem. Rev., 100, 2047 (2000), Gallois-Montbrun, S., et al.: Biochem. Pharmacol., 68, 1749 (2004),

Applications Gibberellic Acid is a pentacyclic diterpene acid. Gibberellic Acid is 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 Sodium fluoroacetate (cas# 62-74-8) is a useful research chemical.
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 Labelled Dimethomorph (D460530). 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 Lu, X., et al.: Phytopathol., 100, 1162 (2010), Schafer, R., et al.: Environ. Sci. Technol., 45, 1665 (2011),

Stability Hygroscopic
Applications Synthetic thrombin inhibitor. Thrombin mutant anticoagulant antagonist. Antithrombotic.
References Dewanjee, M., et al.: J. Nucl. Med., 22, 981 (1981), Goodman, S., et al.: J. Biomed. Mater. Res., 45, 240 (1999), Carlsson, S., et al.: Thromb. Res., 115, 9 (2005),

Applications Malathion (Diethyl-d10) is used as one of the substances for the clean-up step in post-harvest pesticide residue analysis.
References Ucles, A., et al.: Talanta, 144, 51 (2015)

Applications 17beta-Estradiol-16,16,17-d3 3-Benzoate (CAS# 1192354-74-7) is a useful isotopically labeled research compound.

Impurity Clarithromycin EP Impurity I
Applications De(cladinosyl) Clarithromycin (Clarithromycin EP Impurity I) is an impurity of Clarithromycin (C559750). De(cladinosyl) Clarithromycin showed significantly potent antibacterial activity against community acquired respiratory pathogens.
References Morimoto, S., et al.: J. Antibiot., 37, 187 (1984), Buxbaum, A., et al.: J. Antimicrob. Chemother., 52, 371 (2003), Westphal, J., et al.: Br. J. Clin. Pharmacol., 50, 285 (2000), Ma, Z., et al.: J. Med. Chem., 44, 4137 (2001),

Applications Isotope labelled 24 Bisphenol S (B519620) is a material used in thermal printing. 24 Bisphenol S is also used in the development of black leuco dyes.
References Shima, H. et al.: J. Imag. Sci. Technol., 54, 020502 (2010)

Applications N2-(1-Ethylpropyl)-4,5-dimethyl-3-nitro-1,2-benzenediamine is a metabolite of Pendimethalin (P221900), an herbicide used to control the spread of weedgrass.
References Haith, D., et al.: Environ. Sci. Technol., 44, 6496 (2010); Jabran, K., et al.: Int. J. Agric. Biol., 12, 335 (2010); Rahaman, S., et al.: Environ. Ecol., 28, 1 (2010); Smith, R.H., et al.: Chemosphere, 8, 855-61 (1979);

Impurity Albendazole EP Impurity F
Applications 5-(S-Methyl) Albendazole is a metabolite of Albendazole (A511610). Albendazole EP Impurity F
References Gyurik, R.J., et al.: Drug Metab. Dispos., 9, 503 (1981),

Impurity Tenofovir Disoproxil USP Related Compound A
Applications The S-enantiomeric impurity of the antiviral Tenofovir Disoproxil Fumarate (T018505(P)), which is an acyclic phosphonate nucleotide analogue; reverse transcriptase inhibitor and used as an anti-HIV agent.Tenofovir Disoproxil USP Related Compound A.
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 Labelled Tylosin (T947650). Tylosin is a macrolide antibiotic isolated from a strain of Streptomycetes fradiae found in soil from Thailand. Antibacterial.
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 Hamill, et al.: Antibiot. Chemother., 11, 328 (1961), Corcoran, J.W., et al.: J. Antibiot., 30, 1012 (1977), Seno, E.T., et al.: Antimicrob. Agents. Chemother., 11, 455 (1977),

Applications 4-Fluoro-3-phenoxybenzoic Acid is part of the group of pyrethroid pesticides. Pyrethroid pesticides are commonly used in tropical regions such as the Caribbean as household insecticides, pet sprays, and where malaria is endemic, impregnated into mosquito-repellent nets.
References Dewailly, E., et al.: Environ. Int., 63, 201 (2013),

Applications A labelled metabolite of Isoniazid (I821450) in plasma.
References Peloquin, C., et al.: Antimicrob. Agents Chemother., 41, 2670 (1997), Peloquin, C., et al.: Drugs, 62, 2169 (2002),

Applications A broad spectrum insecticide which actively disrupts the CNS of contacted insects by blocking the passage of chloride ions through GABA receptors. Fipronil is also useful in cannabis testing kits as a component of pesticide mixes (P698235).
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 Ling, S., et al.: App. Entomol. Zool., 44, 543 (2009), Li, X., et al.: Environ. Toxicol. Chem., 29, 127 (2010), Savant, R., et al.: J. Agric. Food Chem., 58, 1447 (2010),

Applications A stable labelled selective HIV protease inhibitor Ritonavir (R535000). It is a COVID19-related research product.
References Daluge, S., et al.: Antimicrob. Agents Chemother., 38, 1590 (1994), Ammaranond, P., et al.: J. Clin. Virol., 26, 153(2003), Harrigan, P., et al.: J. Infect. Dis., 191, 339 (2005), Miller, J., et al.: Bioorg. Med. Chem. Lett., 16, 1788 (2006)

Applications A metabolite of Levofloxacin.
References Sudo, K., et al.: Xenobiotica, 16, 72 (1986), Wong, F., et al.: Drug Metab. Dispos., 18, 1103 (1990), Aminimanizani, A., et al.: J. Clin. Pharmacokinet., 40, 169 (2001), Athamna, A., et al.: J. Antimicrob. Chemother., 53, 247 (2004), Tanaka, M., et al.: J. Pharmacol., 56, 463 (2004),

Impurity Clobetasol Propionate EP Impurity G / Betamethasone EP Impurity B
Applications Clobetasol (Clobetasol Propionate EP Impurity G) is a topical corticosteroid. Glucocorticoid; anti-inflammatory.
References Olsen, E.A., et al.: J. Am. Acad. Dermatol., 15, 246 (1986),

Applications N-Acetyl-S-phenyl-d5-DL-cysteine is the deuterium labelled form of N-Acetyl-S-phenyl-DL-cysteine, which is used as a reactant in the preparation of potent HIV-1 protease inhibitors that use D-amino acids as P2/P3 ligands.
References Jungheim, L., et al.: J. Med. Chem., 39, 96 (1996);

Applications 6-(Aminocarbonyl)-3-cyclohexene-1-carboxylic Acid is a useful building block for organic synthesis.

Applications Enrofloxacin-d5 is a labelled fluorinated quinolone antibacterial.
References Altreuther, P., et al.: Vet. Med. Rev., 2, 87 (1987),

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 Fenoxaprop-P is an agro-product, used in pesticide formulations.
References Han, Y. et al. et al.: J. Sep. Sci., 40, 878 (2017);

Applications Gadobutrol is a gadolinium-based MRI contrast agent (GBCA).
References Laurent, S., et al.: Contrast Media Mol. Imaging, 1, 128 (2006); Frenzel, T., et al.: Invest. Radiol., 43, 817 (2008)

Applications Thiobencarb is used as a pesticide.
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 Nishihara, T., et al.: J. Health Sci., 46, 282 (2000); Paya, P., et al.: Ana;. Bioanal. Chem., 389, 1697 (2007)

Applications An impurity of the antiviral drug Oseltamivir (O700100). It is a COVID19-related research product.