Toxicology

Applications Acephate acts as a contact and systemic insecticide in agriculture through pesticide formulations. Through perinatal exposure studies, it has been linked to hyperglycemia, changes in lipid metabolism and type 2 diabetes (1). Acephate exposed Drosophila melanogaster potentially display an L-ascorbic acid mediated defense (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants. Standard for Pesticide detection. 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 1. Ribeiro, T. et al.: Toxicology. 2016 Nov 30;372:12-21. 2. Rajak, P. et al.: J. Hazard. Mater. 2017 Jan 5;321:690-702.

Applications Principle alkaloid of opium.This is a controlled substance (opiate). Analgesic (narcotic).
References Buchwald, M.E., et al.: J. Pharmacol. Exp. Ther., 71, 197 (1941), Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 17, 259 (1988),

Applications (S)-Ropivacaine acts as a local anaesthetic for use during medical procedures. Frequently used in epidural procedures as a labor analgesia
References Bataille, A. et al.: Brit. J. Anaesthesia., 112, 703 (2014); Zhai, Y. et al.: Int. j. Pharm., 47, 103 (2014); Yue, H. et al.: Chin Med. J., 126. 4301 (2013);

Applications Ethynyl Estradiol-13C2 is isotope labelled version of Ethynyl Estradiol (E685100) which can be used in biological and analytical studies of simultaneous determination of UV-​filters and estrogens in aquatic invertebrates by modified Quick, Easy, Cheap, Effective, Rugged, and Safe extraction and liquid chromatography tandem mass spectrometry.
References 1. Koetsawang, S. et al.: Contraception. 1982 March:25(3) p231-2412. Cuttler, L. et al.: J. Endocrinol. Metab. 1985 Jun;60(6):1087-92.

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 Triclabendazole Sulfoxide-D3 is a stable isotopically labelled metabolite of Triclabendazole (T774175), an anthelmintic.
References Wolff, K., et al.: Vet. Parasitol., 13, 145 (1983)

Impurity Azithromycin EP Impurity G
Applications 3’-N-Desmethyl-3’-N-tosyl Azithromycin (Azithromycin EP Impurity G) is an Azithromycin (A927000) impurity.
References Kirst, H., et al.: Antimicrob. Agents Chemother., 33, 1419 (1989), Gandhi, R., et al.: J. Pharm. Biomed. Anal., 23, 1073 (2000),

Applications 4-Hydroxy Coumarin is a plant derived antioxidant, protecting against lipid peroxidation, as well as a potential inhibitor of HIV-1 Integrase.
References Foti, M. et al.: J. Agric. F., 44, 497 (1996); J. Med. Chem., 40, 242 (1997);

Stability Light Sensitive
Applications A novel pharmaceutical compound based on PDE IV inhibitors; used in the treatment of respiratory complaints.
References Gomez, et al.: Br. J. Anaesth., 74, 549 (1995),

Applications Labelled insecticidal, acaricidal, and fungicidal combinations of carboxamides and other pesticides.
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 Dugo, G., et al.: Food Chem., 16, 435 (2005), Caldas, E., et al.: Toxicology, 222, 132 (2006), Cabras, P., et al.: J. Agric. Food Chem., 45, 2244 (1997), Wilkinson, C., et al.: Regul. Toxicol. Pharmacol., 31, 30 (2000),

Stability Light Sensitive, Temperature Sensitive
Applications An antineoplastic.
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 Mathe, G., et al.: Cancer Letters, 27, 285 (1985), Levegue, D., et al.: Clin. Pharmacokinet., 31, 184 (1996), Curran, M.P., et al.: Drugs Aging., 19, 695 (2002),

Stability Hygroscopic
Applications N-Ethyl-N-(3-sulfobenzyl)sulfanilic Acid Disodium Salt can be obtained from 3-Sulfobenzaldehyde Sodium Salt (S689165) which can be used for the preparation of a series of novel sulfonamide derivatives, as inhibitors of the enzyme histone deacetylase (HDAC) as a novel approach to the treatment of cancer.
References Finn, P., et al.: Helvetica Chimica Acta, 88 (7), 1630 (2005);

Applications Quaternary ammonium composition to treat herpes, pseudomonas, staph, hepatitis and other infectious diseases.
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 Berr, S., et al.: J. Phys. Chem., 91, 4760 (1987), Jones, M., et al.: Eur. J. Pharm. Biopharm., 48, 101 (1999), Okano, L., et al.: Langmuir, 16, 3119 (2000),

Impurity Cefixime EP Impurity D
Applications (E)-Cefixime is an isomeric impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).
References Bian, L. et al.: Yao. Fen. Zaz., 30, 872 (2010); Rajadurai, R. et al.: Anal. Chem. Ind. J., 9, 265 (2010);

Applications Nonselective opioid receptor antagonist; congener of Naloxone.
References Maickel, R.P., et al.: Ann. N.Y. Acad. Sci., 281, 321 (1976), Gritz, E.R., et al.: Clin. Pharmacol. Ther. 19, 773 (1976), Gonzales, J.P., et al.: Drugs, 35, 192 (1988), Berg, B.J., et al.: Drug Saf., 15, 274 (1996),

Applications Isotope labelled Ethyl Butyrate is used in the preparation of novel 2-cyanopyrimidines as cathespin K inhibitors. Also used in the synthesis of pyridobenzimidazole derivatives exhibiting antifungal activity by the inhibition of β-1,6-glucan.
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 By Rankovic, Z. et al.: Bioorg. Med. Chem. Lett.,, 20, 1524 (2010); Takeshita, H. et al.: Bioorg. Med. Chem. Lett., 20, 3893 (2010);

Applications A novel labelled inhibitor of human immunodeficiency virus type 1 integrase.
References Chou, T., et al.: Eur. J. Biochem., 115, 207 (1981), Baba, M., et al.: Antimicrob. Agents Chemother., 31, 1613 (1987), Craigie, R., et al.: J. Biol. Chem., 276, 23213 (2001), Chen, X., et al.: J. Mol. Biol., 380, 504 (2008),

Impurity Fluconazole EP Impurity I
Applications 4-Amino Fluconazole Bromide (Fluconazole EP Impurity I) is an impurity of Fluconazole (F421000), which is used as an antifungal.
References Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985)

Stability Hygroscopic
Applications Orally active, third generation cephalosporin antibiotic.
References Kamimura, T., et al.: Antimicrob. Agents Chemother., 25, 98 (1984),Yamanaka, H., et al.: J. Antibiot., 38, 1738 (1985), Guay, D.R.P., et al.: Antimicrob. Agents Chemother., 30, 485 (1986),

Applications 1,1’-Diphenyl-D10 is a labelled analogue of 1,1’-Diphenyl (D486980).
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 Hexazinone-d6 (dimethyl-d6-amino) (CAS# 1219804-22-4) is a useful isotopically labeled research compound.

Applications It is the 1-(acetyloxy) ethyl ester of Cefuroxime (C248060), an injectable second generation cephalosporin with an excellent antibacterial activity. This ester has a broader spectrum of activity than cephalexin (first-generation) and is widely used to treat respiratory tract infections. Antibacterial.
References Nguyen, N., et al.: Pharm. Res., 8, 893 (1991), Stoeckel, K., et al.: Antimicrob. Agents Chemother., 42, 2602 (1998), Scott, L., et al.: Drugs, 61, 1455 (2001), Bulitta, J. B., et al.: Antimicrob. Agents Chemother., 53, 3462 (2009);

Applications Labelled Cefixime (C242800). Orally active, third generation cephalosporin antibiotic.
References Kamimura, T., et al.: Antimicrob. Agents Chemother., 25, 98 (1984),Yamanaka, H., et al.: J. Antibiot., 38, 1738 (1985), Guay, D.R.P., et al.: Antimicrob. Agents Chemother., 30, 485 (1986),

Applications A metabolite of Drotaverine (D689700).
References Lalla, J.K., et al.: J. Pharma. Biomed. Anal., 11, 385 (1993),

Stability Hygroscopic
Applications N-Demethyl Lincomycin Hydrochloride is an impurity of Lincomycin (L466200), 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)

Applications Malonic Acid-2-13C is labelled Malonic Acid (M158005) which is a small bioactive molecule, that can be used in variuos reactions. It is the classic example of a competitive inhibitor, which acts against succinate dehydrogenase (complex II) in the respiratory electron transport chain.
References Weiner, N., "Malonic acid", Org. Synth.; Coll. Vol. 2: 376;

Applications Labelled Dopamine. Endogenous catecholamine with α and β-adrenergic activity. Cardiotonic; antihypotensive.
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 Carter, J.E., et al.: Anal. Profiles Drug Subs., 11, 257 (1982), Dasta, J.F., et al.: Pharmacotherapy, 6, 304 (1986),

Applications 1-Docosanol-d45 is the labelled form of 1-Docosanol (D678855). 1-Docosanol works as a surfactant in cosmetics. 1-Docosanol cream has also been approved by the US Food and Drug Administration as a safe and effective topical treatment for herpes labialis.
References Noweck, K., et al.: Ullmann's Encyclopedia of Industrial Chemistry (2006); McKeough, M., et al.: Arch. Dermatol., 137, 1153 (2001)

Stability Hygroscopic, Unstable in Solution
Applications Amoxycilloic Acid Sodium Salt is an impurity of Amoxicillin (A634235), a semi-synthetic antibiotic related to Penicillin. Antibacterial.
References Connor, S., et al.: J. Pharm. Pharmacol., 46, 128 (1994); Van G., et al.: J. Vet. Pharmacol. Ther., 26, 139 (2003); Brogden, R.N., et al.: Drugs, 18, 169 (1979); Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994)

Applications Labelled Neratinib (N390090). An oral, irreversible dual EGFR/HER2 inhibitor for breast and non-small cell lung cancer. Antitumor agent.
References Vogel, C., et al.: J. Clin. Oncol., 20, 719 (2002), Ji, H., et al.: Cancer Cell., 9, 485 (2006), Sequist, L., et al.: Oncologist, 12, 325 (2007),

Applications 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),

Applications L-(-)-Carnitinamide chloride is can be employed as a bactericide. The compound is derived from L-Carnitine (C184110) which is used to prevent and treat a lack of carnitine.
References Pallavicini, Marco., et al.: Tetrahedron: Asymmetry., 18, 906-909 (2007); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002), Karlic, H., et al.: Nutrition, 20, 709 (2004),

Applications Aclarubicin is an anthracycline antibiotic. It is used in the treatment of cancer.
References Magi, S., et al.: J. Antibiot., 66, 165 (2013); Wakabayashi, I., et al.: Biochem. Pharmacol., 59, 719 (2000); Viadro, M., et al.: Antibiot Khimioter, 36, 20 (1991);

Applications L-erythro-Chloramphenicol functions as a potent inhibitor of electron transport in the mitochondria in biological studies. The L-isomer can be identified from the other CAP-isomers through reversed phase and chiral liquid chromatography in combination with tandem mass spectrometric detection.
References Berendsen, B., et al.: Anal. Chim. Acta., 700, 78 (2011), Wilson, S.B., et al.: Biochim. Biophys. Acta., 292, 603 (1973)

Applications A labelled Chloroquine metabolite, also an intermediate in the preparation of labelled Chloroquine It is a COVID19-related research product.
References Brown, N., et al.: J. Chromatogr., Biomed. App., 309, 426 (1984), Nord, K., et al.: Int. J. Pharm., 72, 11 (1991),

Stability Light Sensitive
Applications An impurity of Minocycline (M344800). Used in the preparation of calpain inhibitors.
References Sokoloski, T.D., et al.: J. Pharm. Sci., 66, 1159 (1977), Naidong, W., et al.: J. Pharm. Biomed. Anal., 13, 905 (1995),

Applications Sulfacetamide-d4 is the isotope labelled analog of Sulfacetamide. Sulfacetamide is an antibiotic used for the treatment of skin infections and urinary tract infections. Sulfacetamide is also used to treat acne and seborrheic dermatitis. Sulfacetamide was investigated for potential anti-inflammatory properties
References Wittwer, M.B., et al.: J. Med. Chem., 56, 781 (2013); Wang. X., et al.: Afr. J. Micriobiol., 6, 4533 (2012); Yu, B., et al.: Euro. J. Med. Chem., 46, 5833 (2011);