Toxicologie

Applications Hexamidine-d12 Impurity A Hydrochloride is the labeled analogue of Hexamidine Impurity A Hydrochloride is an impurity of Hexamidine (H294205), an amidine compound use in the treatment of amyloid-related diseases; also use as preservative in cosmetics. Antiseptic.
References Taylor, P., et al.: J. Pharmaceut. Sci., 72, 1477 (1983); Granel, F., et al.: Clin. Infect. Diseases, 23, 839 (1996); Bailly, C., et al.: Biochem. J., 323, 23 (1997); Enyedy, I., et al.: J. Med. Chem., 44, 1349 (2001)

Applications A key intermediate in production of HCV (Hepatitis C virus) antivirals.
References McGowan, D., et al.: Bioorg. Med. Chem. Lett., 19, 2492 (2009), Birch, A., et al.: J. Med. Chem., 52, 1558 (2009),

Applications: Imidazole derivative with antifungal properties.
References Walker, K.A.M., et al.: J. Med. Chem., 21, 840 (1978), Odds, F.C., et al.: J. Antimicrob. Chemother., 14, 105 (1984),

Applications Labelled Des[(5-Methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol is an impurity of Cefazolin (C242500). Cefazolin impurity X3.
References Kidwai, M., et al.: Chem. Lett., 6, 487 (1999), Kidwai, M., et al.: Bioorg. Med. Chem., 8, 69 (2000),

Applications Pefloxacin-d3 is deuterium labelled Pefloxacin, which is a fluorinated quinolone antibacterial; analog of Norfloxacin.
References Barre, J., et al.: J. Pharm. Sci., 73, 1379 (1984); Contrepois, A., et al.: J. Antimicrob. Chemother., 14, 51 (1984)

Applications A labelled impurity of Gatifloxacin.
References Naber, C., et al.: Antimicrob. Agents Chemother., 45, 293 (2001), Herzler, M., et al.: J. Anal. Toxicol., 27, 233(2003), Pragst, F., et al.: Clin. Chem. Lab. Med., 42, 1325 (2004),

Stability Hygroscopic, Temperature Sensitive
Applications Amoxicillin trimer Trisodium Salt, is an impurity of Amoxicillin (A634235), a β-lactam family antibiotic that is commonly used in conjunction with clavulanic acid (C56370) to the treat bacterial infections.
References Gurwith, M., et al.: Antimicrob. Agents Ch., 24, 716 (1983); Kumar, A., et al.: J. Mater. Chem., 20, 10152 (2010);

Applications 1,4-Diaminobutane is an amino acid degradation product. Used in the preparation of hexahydropyrimidines as novel hepatitis C virus inhibitors. Also a reagent in the synthesis of antibacterial castor oil-based polyurethane membranes.
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 Hwang, J. et al.: Eur. J. Med. Chem., 70, 315 (2013); Yari, A. et al.: J. Biomed. Mat. Res., 102A, 84 (2014);

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 Labelled analogue of (R)-Linezolid, an enatiomeric impurity of Linezolid (L466500).
References Bednarek, E. et al.: J. Chrom. A, 1193, 164 (2008); Nirogi, R. et al.: J. Chrom. Sci., 46, 764 (2008);

Applications Stearoyl Ethanolamide-d4 is the labelled analogue of Stearoyl Ethanolamide (S686608), which is a prolific fatty acid ethanolamide produced by PLD hydrolysis of membrane phospholipids.
References Kasatkina, L. A., et al.: Biochem. Pharmacol. 174, 113783 (2020)

Applications Isolopinavir-d9 is the isotope labelled analog of Isolopinavir, which is a metabolite of Lopinavir (L469480); a selective HIV protease inhibitor and antiviral.
References Sham, H.L., et al.: Antimicrob. Ag. Chemother., 42, 3218 (1998); Kumar, G.N., et al.: Drug Metab. Dispos., 27, 86 (1999); Murphy, R.L., et al.: Antiviral Ther., 4, Suppl. 3, 85 (1999)

Applications Cefotaxime Sodium Impurity G-d3 is the isotope labelled analog of Cefotaxime Sodium Impurity G (C242955); an impurity of Cefotaxime Sodium (C242950) which is a broad spectrum third generation cephalosporin antibiotic.
References Wise, R., et al.: Antimicrob. Agents Chemother., 14, 807 (1978); Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 11, 139 (1982)

Applications A triazine herbicide.
References Schenck, F., et al.: Bull Environ. Contam. Toxicol., 73, 24 (2004),

Applications 4-Bromo-2-(ethyl-d3)pyridine is an intermediate in the synthesis of Ethionamide-d3 (E890422), a labelled antibacterial (tuberculostatic) agent.
References Banerjee, A., et al.: Science, 263, 227 (1994), Newton, G., et al.: J. Bacteriol., 178, 1990 (1996), Baulard, A., et al.: J. Biol. Chem., 275, 28326 (2000), Koledin, T., et al.: Arch. Microbiol., 178, 331 (2002), Cardoso, R., et al.: Antimicrob. Agents Chemother., 48, 3373 (2004),

Applications 3,4-Dichlorophenoxyacetic acid is a synthesis reagent.

Applications Asomate is an organoarsenic fungicide used for various agricultural goods. Research has shown that arsenic pollution manifested permanently and extensively when asomate was used continuously in apple orchard.
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 Zhao, Z.Y., et al.: Xuanyi. Xueboa., 34, 117 (2007); Kim, N., et al.: Food. Sci. Biotechnol., 14, 554 (2005);

Applications Ethyl 3-Mercaptopropanoate is a useful synthetic intermediate. It can be used to prepare acylaminobutyldecahydroisoquinolines with HIV protease-inhibiting activities. It can also be used to prepare new anti-MRSA cephalosporins (cephalosporins C zinc salt, C258750).
References Ghosh, A., et al.: J. Med. Chem., 37, 1177 (1994); Cho, A., et al.: Bioorg. Med. Chem. Lett., 11, 137 (2001)

Stability Light and Temperature Sensitive
Applications Δ2-Cefadroxil is a derivative of Cefadroxil (C235750), a semi-synthetic cephalosporin antibiotic. Antibacterial.
References Buck, R.E., et al.: Antimicrob. Agents Chemother., 11, 324 (1977)