Toxicology

Applications Isotope labelled 1,2-Pentanediol is used in synthesizing quinoxalines from biomass-derived glycols. Also used in the synthesis of propiconazole (P770100) a fungicide as well as other antifungals.
References Climent, M. et al.: J. Catal., 292, 118 (2012); Zhou, Y. et al.: Carbo. Res., 344, 1289 (2009);

Applications Fenoxaprop

Applications n-Nonanoic-9,9,9-d3 acid is labelled n-Nonanoic Acid (N649385) which is commonly used in conjunction with glyphosate, a non-selective herbicide, for a quick burn-down effect in the control of weeds in turfgrass. It is also used in the preparation of plasticizers and lacquers.
References Pline, W., et al.: Weed Technol., 14, 667 (2000); Frade, J., et al.: Anal. Bioanal. Chem., 395, 2167 (2009)

Applications (R)-Telaprevir-d4 is the labeled analog of (R)-Telaprevir, an enantiomer of Telaprevir (T015650). Telaprevir is an known inhibitor of the hepatitis C virus NS3-4A protease. It is a COVID19-related research product.
References Francois, J., et al.: J. Medn. Chem., 52. 7993 (2009); Kieffer, T., et al.: Hepatology, 46, 631 (2007), Zhou, Y., et al.: Antimicrob. Agents Chemother., 52, 110 (2008), Hezode, C., et al.: N. Engl. J. Med., 360, 1839 (2009);

Applications Acifluorfen-methyl-2-amino is a derivative of Acifluorfen (A795248), a herbicide.
References Gooch, A. et al.: Env. Toxicol. Chem., 36, 2227 (2017)

Applications N-Propiononitrile-6-chloro-naphthalene Hydroxychloroquine is a useful research intermediate and an impurity of Hydroxychloroquine (B419750 ) which is an antimalarial; antirheumatic; lupus erythematosus suppressant. It is a COVID19-related research product
References Yarden, Y., et al.: Nature, 323, 226 (1986), Seifert, R., et al.: J. Biol. Chem., 264, 8771 (1989), Gahl, W., et al.: Mol. Genet. Metab., 76, 234 (2002), Card, J., et al.: Toxicol. Sci., 75, 169 (2003),

Applications (S)-3-Aminobutan-1-ol can be used as an intermediate in the preparation of compounds having HIV integrase inhibitory activity.
References Johns, B. et al.: J. Med. Chem., 56, 5901 (2013);

Applications 4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5 is a labelled analogue of 4-O-Desmethyl 4-O-Ethyl Trimethoprim (D295700).

Applications N-Oleoyl Taurine which belongs to the class of N-Acyl Taurines were detected in beta cells of Langerhans islets causing insulin secretion results beta cell dysfunction in type 2 diabetes
References Aichler, M., et al.: Cell Metab., 25, 1334-1347 (2017)

Applications N-Isopropyl-3,4-dimethyl-2,6-dinitroaniline is a dinitro herbicides.
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 Chen, Y., et al.: Green Chemistry, 15, 91 (2013)

Applications (2R,4S)-Itraconazole is an enantiomer of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal. It is a COVID19-related research product.
References Espinel-Ingroff, A., et al.: Antimicrob. Agents Chemother., 26, 5 (1984), Heykants, J., et al.: Mycoses, 32, Suppl 1, 67 (1989), Sugar, A.M.,et al.: Curr. Clin. Top. Infect. Dis., 13, 74 (1993),

Impurity Lamivudine EP Impurity D
Stability Hygroscopic
Applications ent-Lamivudine (Lamivudine EP Impurity D) is an enantiomer of Lamivudine (L172500); an antiviral that inhibits HIV-reverse transcriptase.
References Pepe, G. et al.: Eur. J. Med. Chem., 31, 775 (1996); Marr, E. et al.: Antiviral Res., 28, 1 (1995); Parikh, U.M. et al.: Antimicrob. Agents Chemother., 49, 1139 (2005);

Impurity Clarithromycin EP Impurity L
Applications Clarithromycin (9Z)-Oxime (Clarithromycin EP Impurity L) is an impurity of Clarithromycin (C559750); a semi-synthetic macrolide antibiotic and derivative of Erythromycin (E650000).
References Esteban, J., et al.: Tetrahedron Lett., 45, 5563 (2004); Morgan, D., et al.: J. Chromatogr., 502, 351 (1990); Benson, C., et al.: Eur. J. Clin. Microbiol., 6, 173 (1987); Boyanova, L., et al.: J. Med. Microb., 61, 85 (2012); Lin, Z., et al.: Toxicol. Sci., 126, 114 (2012)

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.
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 Laughlin, R.B.J. et al.: Environ. Sci. Technol., 20, 884 (1988); Polster, M. et al.: Ces.-Slov. Hyg., 15, 243 (1970);

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

Applications 2,3-Dimethylbenzoquinone is a reagent in the preparation of hydroxycinnolines which has antifungal activity.
References Ryu, C., et al.: Bioorg. Med. Chem. Lett., 16, 1850 (2006)

Applications Pitavastatin 1-Phenylethylamide-d5 is the isotope labelled analog of Pitavastatin 1-Phenylethylamide. Pitavastatin 1-Phenylethylamide is an impurity of Pitavastatin (P531000), which is a competitive inhibitor of HMG-CoA reductase. Antilipemic.
References Aoki, T., et al.: Arzneim.-Forsch., 47, 904 (1997), Yamada, I., et al.: Xenobiotica, 33, 789 (2003), Park, S., et al.: Clin. Ther., 27, 1074 (2005),

Applications 7,13-Bisside chainpacltaxel is a derivative of Paclitaxel (P132500) which has anticancer properties.
References Zhong, T., et al.: Bioconjugate Chem., 29, 437-444 (2018)

Applications O-Desacetyl O-Propionyl Famciclovir is an impurity of Famciclovir (F101125); a compound that is used as an antiviral and is a prodrug of Penciclovir (P221500).
References Hodge, V.R.A., et al.: Antimicrob. Ag. Chemother., 33, 1765 (1989)

Applications 17β-Estradiol 2-Acetate is an intermediate in synthesizing Estradiol Valerate Impurity I (E888865), a derivative of Estradiol (E888000) and Estradiol 17-Valerate (E888860) which is an estrogen.
References Salole, E.G., et al.: Anal. Profiles Drug Subs., 15, 283 (1986); Lievertz, R.W., et al.: Am. J. Obstet. Gynecol., 156, 1289 (1987)

Applications Atraton is a toxic herbicide and an environmental contaminants.
References Lu, Y. C., et al.: Chemosphere, 165, 487 (2015); Dong, X., et al.: Soil Sediment Contam., 24,573 (2015); Gonzalez-Cadena, J., et al.: Sustainable Environment Research, 23, 253 (2013)

Applications Eslicarbazepine acetate-D3 is a labelled analogue of Eslicarbazepine acetate (E659000), a voltage-gated sodium channel blocker and antiepileptic that is used to treat patients with epilepsy.
References Almeida, L., et al.: Eur. J. Clin. Pharmacol., 64, 267 (2008); Gil-Nagel, A., et al.: Acta Neurol. Scand., 120, 281 (2009); McCormack, P. & Robinson, D.: CNS Drugs, 23, 71 (2009)

Applications Ferbam is a dithiocarbamate 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 Grover, R., Moore, J.: Phytopathology, 52, 876 (1962); Saute, B., et al.: Analyst, 137, 5082 (2012);

Applications Antihypertensive.

Applications Hopantenate Calcium-d6 is labeled analogue of Hopantenate Calcium (H669565), which is a central nervous system drug. In its calcium salt form, it used to be used for a variety of neurological, psychological and psychiatric conditions in Russia. Hopantenic Acid is also the amide of D-pantoate and γ-aminobutyric acid (GABA).
References Kopelevich, V.M., et al.: Pharm. Chem. J., 5, 534 (1971)

Applications Estradiol 17-Palmitate-d31 is the isotope analog of Estradiol 17-Palmitate. Estradiol 17-Palmitate is a metabolite of estradiol (E888000) which is the major estrogen secreted by the premenopausal ovary.
References Salole, E.G., et al.: Anal. Profiles Drug Subs., 15, 283 (1986), Lievertz, R.W., et al.: Am. J. Obstet. Gynecol., 156, 1289 (1987),

Applications Omeprazole (O635000) impurity.

Applications Testosterone Laurate-d23 is the isotopic analog of Testosterone Laurate. Testosterone Laurate is a derivative of testosterone(T155000), which is used in analytical studies to determine testosterone and nandrolone esters in race horse plasma for doping control through UPLC-ESI-MS-MS.
References You, Y., et al.: J. Chromato., 1218, 3982 (2011); Guan, F., et al.: Mass Spectrom., 45, 1270 (2010)

Stability Hygroscopic
Applications A metabolite of Daidzein.
References Cassidy, A., et al.: J. Clin. Nutr., 60, 333(1994), Pereira, M., et al.: Carcinogenesis, 15, 1049 (1994), Shah, V., et al.: Pharm. Res., 17, 1551 (2000),

Applications An Atorvastatin impurity in bulk drug and tablets.

Applications Rosuvastatin Methyl Ester is an impurity of Rosuvastatin (R700500) in the pharmaceutical dosage forms under forced degradation conditions.
References Lennernas, H., et al.: Clin. Pharmacokinet., 32, 403 (1997), Kivisto, K., et al.: Br. J. Clin. Pharmacol., 46, 49 (1998), Lan, K., et al.: J. Pharm. Biomed. Anal., 44, 540 (2007),

Applications 17β-neriifolin could be considered a candidate for the treatment of hepatocellular carcinoma. It can also work as an inhibitor of hERG channel trafficking.
References Zhao, Q., et al.:Fitoterapia, 82, 735 (2011); Wang, L., et al.: J. Pharmacol. Exper. Ther., 320, 525 (2007)

Applications A new anti-inflammatory drug. Effect of SAS 650 (Furofenac) on malondialdehyde production by platelets.
References Bertoli, D., et al.: Int. J. Tissue Reactions, 2, 217 (1980),

Stability Light Sensitive
Applications Retinyl Retinoate is used in the treatment of skin diseases and disorders such as acne, psoriasis and photoaging.
References Kim, B. et al.: Int. J. Derm., 51, 733 (2012); Kim, J. et al.: Brit. J. Derm., 162, 497 (2010);

Applications Rescinnamine is an angiotensin-converting enzyme inhibitor used as an antihypertensive drug.
References Fife, R., et al.: Brit. Med. J., 2, 1848 (1960); Balsevich, J., et al.: Planta Med., 44, 91 (1982)

Impurity Beclomethasone Dipropionate EP Impurity E
Applications 6α-Chlorobeclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity E) is an analogue of Beclomethasone Dipropionate (B131030), an antiallergic, antiasthmatic (inhalate). Anti-inflammatory (topical).
References Laube, B., et al.: J. Allergy Clin. Immunol., 101, 475 (1998); Harrison, L., et al.: Eur. J. Clin. Pharmacol., 58, 191 (2002); Maneechotesuwan, K., et al.: J. Allergy Clin. Immunol., 121, 43 (2008)

Applications An impurity of Norethindrone Acetate (N675990).

Applications N4-Anisoyl-2'-deoxycytidine (cas# 48212-99-3) is a useful research chemical.

Stability Light Sensitive
Applications Prifinium Bromide is a synthetic antispasmodic drug; parasympatholytic. Prifinium Bromide is used as a quartenary anticholinergic agent.
References Kumada, S. et al.: Arzneim.-Forsch., 20, 237 (1970); Nakai, T. et al.: Arzneim.-Forsch., 20, 1112 (1970); Bettini, V. et al.: Farm. Ed. Prat., 33, 392 (1978);

Impurity Rosuvastatin Formyl Impurity
Applications Rosuvastatin intermediate.
References Watanabe, M., et al.: Bioorg. Med. Chem., 5, 437 (1997),

Stability Hygroscopic
Applications A degradation product of Betamethasone (B327000).
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

Applications A metabolite of Cholesterol.
References Connor, W., et al.: J, Clin. Invest., 48, 1363 (1969), Nestel, P., et al.: Metabolism, 24, 189 (1975), Ellegard, L., et al.: Eur. J. Clin. Nutr., 45, 451 (1991), Pedersen, A., et al.: J. Lipid Res., 41, 1901 (2000),

Applications An intermediate used in the preparation of Zanamivir derivatives.
References Andrews, D., et al.: Eur. J. Med. Chem., 34, 563 (1999), Altamore, T., et al.: Bioorg. Med. Chem., 14, 1126 (2006),

Applications Δ6-Gestodene, is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive.
References Duesterberg, B., et al.: Contraception, 24, 673 (1981); Duesterberg, B., et al.: Seroids, 43, 43 (1984); Losert, W., et al.: Arzneim.-Forsch., 35, 459 (1985);

Impurity Fluticasone EP Impurity D
Applications Ticabesone Propionate is an impurity of Fluticasone, an antiallergic, anti-asthmatic and anti-inflammatory agent.
References Marrero-Ponce, Y., et al.: Europ. J. Med. Chem., 46, 5736 (2011); Dalvi, P., et al.: J. Chem., 20, 187 (2008);

Applications Cholesterol-d6 has been used in safe procedures to measure the percentage of cholesterol absorption, based on that of D. B. Zilversmit (1972), by using Cholesterol-d6 as a stable nonradioactive isotopic tracer of cholesterol that was administered orally into normal individuals to facilitate clinical investigation.
References Bosner, Matthew S., Journal of Lipid Research, 34, 1047-53, (1993)

Applications 2-[[3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl]Methyl] Rizatriptan Benzoate is an impurity of the antimigraine drug rizatriptan benzoate.
References Sarma, P. S., et al.: Synth. Commun., 38, 603 (2008)