Toxicology

<p>Applications 4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5 is a labelled analogue of 4-O-Desmethyl 4-O-Ethyl Trimethoprim (D295700).<br></p>

<p>Applications Hydroxymethyl Emtricitabine is an impurity of Emtricitabine(E525000) which is a reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. A nucleoside analog structurally related to Lamivudine (L172500).<br>References FASEB J., 13, 1511 (1999), Molina, J.-M., et al.: J. InfecSchinazi, R.F., et al.: Antimicrob. Ag. Chemother., 36, 2423 (1992), Shockeor, J.P., et al.: Xenobioica, 26, 189 (1996), Feng, J.Y., et al.: . Dis., 182, 599 (2000)<br></p>

<p>Stability Light Sensitive<br>Applications (1R)-trans-γ-Cyhalothrin is an isomer of λ-Cyhalothrin (C988980), which is used as an insecticide.<br>References Bhavani, B., et al.: Pestol., 33, 42 (2009), Patial, A., et al.: Env. Ecol., 27, 320 (2009), Schleier, J., et al.: J. Med. Entomol., 46, 693 (2009), Yang, D., et al.: Toxicol. App. Pharmacol., 237, 49 (2009),<br></p>

<p>Applications Ethyl 3-(4-bromo-2-chlorophenyl)-3-oxopropionate (CAS# 131994-22-4) is a useful research chemical compound.<br></p>

<p>Applications Artemether Succinate Dimer is a derivative compound of Artemisinin (A777500), an antimalarial.<br>References Klayman, D.L., et al.: Science, 228, 1049 (1985); Price, R.N., et al.: Expert Opin. Invest. Drugs, 9, 1815 (2000); Meshnick, S.R., et al.: Int. J., Parasitol., 32, 1655 (2002);<br></p>

<p>Applications This product is deuterated at the 1 position and on the ajacent methyl. The 1 position is the benylic position of the bis(trifluoromethyl) phenyl. This compound has a mixture of 1 to 4 deuterium atoms, there is no detectable unlabeled material.Aprepitant is a structurally novel substance P neurokinin 1 (NK1) receptor antagonist. In vitro studies using human liver microsomes indicate that aprepitant is metabolised primarily by CYP3A4 with minor metabolism by CYP1A2 and CYP2C19, and no metabolism by CYP2D6, CYP2C9, or CYP2E1.<br>References Hale, J.J., et al.: J. Med. Chem., 41, 4607 (1998), Campos, D., et al.: J. Clin. Oncol., 19, 1759 (2001), Van Belle, S., et al.: Cancer, 94, 3032 (2002), Majumdar, A.K., et al.: J. Clin. Pharmacol., 46, 291 (2006),<br></p>

<p>Applications [2R-[2α(S*),4β]]-4-[[(2,2-Dimethyl-1-oxopropoxy)methoxy]carbonyl]-α-[[(hexahydro-1H-azepin-1-yl)methylene]amino]-5,5-dimethyl-2-thiazolidineacetic Acid is an impurity of Pivmecillinam (P550700), an orally active prodrug of Amdinocillin (A576300), an broad spectrum penicillin antibiotic that binds specifically to penicillin binding protein 2.<br>References Ejim, L., et al.: Nature. Chem. Biol., 7, 348 (2011); Lees, G.M., et al.: Brit. J. Pharmacol., 73, 535 (1981);<br></p>

<p>Applications di-Val-L-dC Trihydrochloride is a β-L-2'-Deoxynucleoside for treatment of resistant hepatitis B virus strains, and combination therapies.<br>References Standring, D. et al.: PCT Int. Appl. (2004)<br></p>

<p>Applications Metazosulfuron is a herbicide used in paddy fields to control annual and perennial weeds.<br>References Lee, I., et. al.: The Korean Soc. Weed Sci., 31, 308 (2011)<br></p>

<p>Applications An intermediate in the preparation of HIV-integrase inhibitors<br>References Itoh, F., et al.: Chem. Pharm. Bull., 43, 230 (1995), Summa, V., et al.: J. Med. Chem., 51, 5843 (2008),<br></p>

<p>Applications N-Acetyl Cefixime is the N-acetylated analogue and impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).<br></p>

<p>Applications Bis(tributyltin) Oxide is an organotin compound used as a fungicide and molluscicide, particularly in wood preservation. Bis(tributyltin) Oxide was used as an active component in marine antifouling paints but is not longer used due to its toxicity and is considered a severe marine pollutant.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Laughlin, R.B.J. et al.: Environ. Sci. Technol., 20, 884 (1988); Polster, M. et al.: Ces.-Slov. Hyg., 15, 243 (1970);<br></p>

<p>Applications 2,5-Dichloro-1,3-benzenedicarbonitrile is a metabolite of the fungicide 2,4,5,6-tetrachloroisophthalonitrile (TPN) in soil.<br>References Sato, K., et al.: Biol. Fert. Soils, 3, 205 (1987)<br></p>

<p>Impurity Fluconazole EP Impurity B / Fluconazole USP Related Compound A<br>Applications 4-Defluoro-4-(1H-1,2,4-triazol-1-yl) Fluconazole (Fluconazole EP Impurity B) is an impurity of the antifungal agent Fluconazole (F421000).<br>References Ramesh, B. et al.: J. Pharm. Res., 4, 1401 (2011); Al-Rimawi, F.: Jor. J. Chem., 4, 357 (2009);<br></p>

<p>Applications A D2/D4-Dopamine receptor antagonist. A serotonergic receptor antagonist. A dibenzoxazepine antipsychotic agent.<br>References Shen, Y., et al.: J. Biol. Chem., 268, 18200 (1993), Fiorella, D., et al.: Psychopharmacology, 121, 347 (1995), Glusa, E., et al.: Br. J. Pharmacol., 130, 692 (2000)<br></p>

<p>Applications Propineb-d3 is the labeled analog of Propineb (P771450), which is used as a fungicide.<br>References Sharma, I.M., et. al.: J. Mycology Plant Pathology, 44, 92 (2014); Gupta, R.C., et. al.: Pestology, 37, 43 (2013)<br></p>

<p>Applications Hydroxy Velpatasvir is an impurity of antivaral drug Velpatasvir (V116000), which is a HCV NS5A inhibitor used to treat Hepatitis C.<br>References Feld, J. J., et al.: N. Engl. J. Med. 373, 2599 (2015); Gane, E. J., et al.: Gastroenterol., 151, 448 (2016);<br></p>

<p>Applications Docosanoyl Ethanolamide is saturated N-acylethanolamide.<br></p>

<p>Applications A model compound for studies of binding of influenza virus hemaglutinin and metal ions.<br>References Sauter, N.K., et al.: Biochemistry, 28, 8388 (1989), Sharon, N., et al.: Science, 246, 227 (1989), Nagy, J.O., et al.: J. Med. Chem., 35 (23), (1992), Knibbs, R.N., et al.: J. Biol. Chem., 268 (25), 18524 (1993)<br></p>

<p>Applications Methoxy Cefadroxil is an impurity of Cefadroxil (C235750), a semi-synthetic cephalosporin antibiotic. Antibacterial.<br>References Buck, R.E., et al.: Antimicrob. Agents Chemother., 11, 324 (1977);<br></p>

<p>Applications N-Demethyl Erythromycin A-d7 is a labeled version of N-Demethyl Erythromycin A (D230930), which is a metabolite of Erythromycin (E649950).<br>References Rich, D.H., et al.: J. Med. Chem., 18, 1004 (1975), Itoh, Z,. et al.: Antimicrob. Agents Chemother., 26, 863 (1984), Omura, S., et al.: J. Antibiotics 38, 1631 (1985)<br></p>

<p>Applications (R)-Chloropheniramine is an intermediate used in the synthesis of (R)-(-)-Chlorpheniramine Maleate (C424306), which is the R-enantiomer of Chlorpheniramine (C424300). Antihistaminic.<br>References Ishida, M., et al.: Int. J. Pharm., 359, 46 (2008), Moreno, R., et al.: Biomed. Chromatog., 24, 774 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010),<br></p>

<p>Applications N-Desdecanoyl, N-(Undecanoyl) Dapotmycin is an impurity of Daptomycin (D193350), cyclic lipopeptide antibiotic derived from a fermentation product of Streptomyces roseosporus; disrupts plasma membrane function in gram-positive bacteria. Antibacterial.<br>References Allen, N.E., et al.: Antimicrob. Agents Chemother., 31, 1093 (1987), Tully, F.P., et al.: Expert Opin. Invest. Drugs, 8, 1223 (1999),<br></p>

<p>Applications A potential metabolite of Exemestane (E957000).<br>References Buzzetti, F., et al.: Steroids, 58, 527 (1993),<br></p>

<p>Applications 1-Iodo-2,3-dimethoxybenzene-d6 is the isotope labelled analog of 1-Iodo-2,3-dimethoxybenzene. 1-Iodo-2,3-dimethoxybenzene is used in the preparation of fused heterocyclic amido compounds as a potential anti hepatitis C virus agents.<br>References Aoyama, H., et al.: Bioorg. Med. chem., 19, 2675 (2011);<br></p>

<p>Applications tert-Butyl 3-Cyanomorpholine-4-carboxylate is used as a reactant for the synthesis of HIV integrase inhibitors.<br>References Gardelli, C., et. al.: J. Med. Chem., 50, 4953 (2007); Pace, P., et. al.: J. Med. Chem., 50, 2225 (2007); Summa, V., et. al.: J. Med. Chem., 49, 6646 (2006)<br></p>

<p>Applications An enantiomer of Tolvaptan. It is a selective, competitive arginine vasopressin V2 receptor antagonist used to treat hyponatremia (low blood sodium levels) associated with congestive heart failure, cirrhosis, and the syndrome of inappropriate antidiuretic hormone (SIADH).<br>References Paterna, S., et al.: Eur. J. Heart Fail, 2, 305 (2000), Udelson, J., et al.: Circulation, 104, 2417 (2001), Goldsmith, S., et al.: J. Am. Coll Cardiol., 46, 1785 (2005), Schrier, R., et al.: N. Engl. J. Med., 355, 2099 (2006),<br></p>

<p>Applications 4-(1,1-Dimethylpropyl)-β-methylbenzenepropanol 1-Methanesulfonate is a useful synthetic intermediate in the synthesis of Amorolfine Hydrochloride (A634170); a morpholine antifungal drug and topical solution for the treatment of toenail infections.<br>References Rotta, I., et al.: JAMA Dermatol., 149, 341 (2013); Espinel-Ingroff, A., et al.: Antimicrob. Agents Ch., 26, 5 (1984); Zhang, S., et al.: Faming Zhuanli Shenqing. CN 103288768 A 20130911. Sep 11, 2013<br></p>

<p>Applications (R,S)-Ethambutol is an isomer of Ethambutol (E889800), used as an antibacterial (tuberculostatic).<br>References Wilkinson, et al.: J. Med. Chem., 5, 835 (1962), Kulig, et al.: Diss. Pharm. Pharmacol., 23, 463 (1971), Lee, C.S., et al.: Anal. Profiles Drug Subs., 7, 231 (1978)<br></p>

<p>Applications (7R)-7-Amino Cefoxitin is an impurity of Cefoxitin (C243190). Cefoxitin is a semi-synthetic antibiotic derived from Cephamycin C, possessing high resistance to β-lactamase inactivation. An antibacterial.<br>References Wallick, H., et al.: Antimicrob. Agents Chemother., 5, 25 (1974), Brenner, G.S., et al.: Anal. Profiles Drug Subs., 11, 169 (1982),<br></p>

<p>Applications A metabolite of Demeton-S (D231360).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Szeto, S.Y., et al.: J. Agric. Food Chem., 30, 1082 (1982),<br></p>

<p>Applications 2-(2-Fluorophenoxy)-2-methylpropanoic Acid is used as a reactant in the preparation of substituted azoles as hepatitis C virus inhibitors.<br>References Hewawasam, P., et al.: U.S. Pat. Appl. Publ. 546 pp. (2015)<br></p>

<p>Applications Sedative, hypnotic<br>References Wegner, F., et al.: J. Neurochem., 107, 1056 (2008), McDonald, L., ewt al.: Psychopharmacol., 197, 591 (2008), Wegner, F., et al.: Eur. J. Pharmacol., 580, 1 (2008),<br></p>

<p>Applications Jacaric Acid is a conjugated polyunsaturated fatty acid first isolated from seeds of Jacaranda plants.<br></p>

<p>Applications Ethylmorphine 6-(Tri-O-acetylglucuronide Methyl Ester) is an protected metabolite of Ethyl Morphine (E925155), an analgesic and antitussive agent.<br>References Bugge, A., et al.: Acta, Chem. Scandinavica., 49, 380 (1995);<br></p>