Others

Applications Palbociclib-d4 is an isotope labelled compound of Palbociclib (P139900). Palbociclib (P139900) is an experimental drug for the treatment of breast cancer being developed by Pfizer. It is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6.
References Finn, R., et al.: Breast Cancer Res., 11, 5 (2009)

Applications Zaleplon Formide is an impurity of Zaleplon (Z145000), a selective non-benzodiazepine GABAA receptor agonist.
References Radl, S., et al.: J. Heterocycl. Chem, 47, 276 (2010); Allen, D., et al.: Eur. J. Clin. Pharmacol., 45, 313 (1993); Beer, B., et al.: J. Clin. Pharmacol., 34, 335 (1994); Rosen, A.S., et al.: Biopharm. Drug Dispos., 20, 171 (1999)

Stability Hygroscopic
Applications Used as an antiparkinsonian and antispasmodic.
References Rohde, H., et al.: Fortschr. Med., 100, 2023 (1982), Kornhuber, J., et al.: Eur. J. Pharmacol., 166, 589 (1989), Gortelmeyer, R. and Erbler, H.: Arzneimittel-Forsch., 42, 904 (1992)

Applications Pyrene occurs in coal tar. Also obtained by the destructive hydrogenation of hard coal. Found in wastewater in aquatic environments, and possesses genotoxic characteristics relating to estrogenic/androgenic, antiestrogenic and antiandrogenic activity. This compound is a contaminant of emerging concern (CECs).
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 Winterstein, et al.: Z. Physiol. Chem., 230, 162 (1934), Fang, Y. et al.: Env. Toxicol. Chem., 31, 1273 (2012);

Applications The main metabolite of Entacapone and Tolcapone.
References Mannisto, P., et al.: Prog. Drug Res., 39, 291(1992), Nishi, H., et al.: J. Pharm. Biomed. Anal., 11, 1277 (1993), Wikberg, T., et al.: Eur. J. Drug Metab. Pharmacokinet., 18, 359 (1993),

Stability Hygroscopic
Applications An impurity of the antiparkinsonian and antispasmodic agent Memantine (M218000).
References Rystov, L. et al.: J. Pharmac. Biomed. Anal., 56, 887 (2011);

Stability Hygroscopic
Applications 7-Methyl Memantine is an impurity of Memantine (HCl salt, M218000) which is used as an antiparkinsonian and antispasmodic.
References Rohde, H., et al.: Fortschr. Med., 100, 2023 (1982), Kornhuber, J., et al.: Eur. J. Pharmacol., 166, 589 (1989), Gortelmeyer, R. and Erbler, H.: Arzneimittel-Forsch., 42, 904 (1992)

Applications A potent, selective and orally active labelled cysteinyl leukotriene type 1 receptor antagonist. Used as an antiasthmatic.
References Matassa, V.G., et al.: J. Med. Chem., 33, 1781 (1990), Findlay, S.R., et al.: J. Allergy Clin. Immunol., 89, 1040 (1992), Krell, R.D., et al.: Am. Rev. Respir. Dis., 141, 978 (1990), Dunn, C.J., Drugs, 61, 285 (2001),

Stability Light Sensitive, Temperature Sensitive
Applications It is one of the two carotenoids contained within the retina.
References Karrer, et al.: Helv. Chim. Acta, 13, 268 (1930), Hlubucek, et al.: J. Chem. Soc. Perkin Trans., 1, 848 (1974), Maoka, T., et al.: Comp. Biochem. Physiol., 83B, 121 (1986),

Applications An impurity of labelled Salicylic Acid synthesis
References Kovacik, J., et al.: J. Agric. Food Chem., 57, 9848 (2009), Gao, X., et al.: Anal. Biochem., 393, 163 (2009), Rocher, F., et al.: Plant Physiol., 150, 2081 (2009),

Impurity Atenolol EP Impurity E
Applications 4,4'-[(2-Hydroxy-1,3-propanediyl)bis(oxy)]bis-benzeneacetamide is an impurity of Atenolol (A790075), a cardioselective β-adrenergic blocker. Atenolol EP Impurity E
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984);

Applications N-Formyl Memantine is an impurity of Memantine (M218000). Memantine impurity E per USP.
References Gerzon, K., et al.: J. Med. Chem., 6, 760 (1963),

Impurity Diazepam EP Impurity B
Applications N-(2-Benzoyl-4-chlorophenyl)-2-chloro-N-methylacetamide (Diazepam EP Impurity B) is the impurity of Temazepam (T017200), which is a pharmacologically active metabolite of Diazepam. It is used as a sedative and hypnotic drug.
References Sarteschi, P., et al.: Arzneim.-Forsch., 22, 93 (1972), Schwandt, H.J., et al.: Xenobiotica, 4, 733 (1974), Curry, S.H., et al.: Br. J. Pharmacol., 57, 427 (1976), Heel, R.C., et al.: Drugs, 21, 321 (1981)

Applications N-Nitrosoatenolol is an N-nitroso derivative of Atenolol (A790075), which is a cardioselective β-adrenergic blocker. Antihypertensive, antianginal, antiarrhythmic (class II). N-Nitrosoatenolol can be used for its genotoxic effect in rat and human hepatocytes.
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984); Robbiano, L., et.al., Cancer Res., 51, 2273-2279, (1991);

Impurity Memantine USP Related Compound B (3,5-Dimethyladamantane-1-ol)
Applications 3,5-Dimethyl-1-adamantanol is an impurity of Memantine (M218000). Memantine impurity B. Memantine USP Related Compound B (3,5-Dimethyladamantane-1-ol).
References England, P., et al.: Biochemistry, 43, 11623 (2004), Schousboe, A., et al.: Eur. J. Pharmacol., 500, 281 (2004), Horvat, S., et al.: J. Med. Chem., 49, 3136 (2006),

Applications Labelled Diazepam, an anxiolytic; muscle relaxant (skeletal); anticonvulsant.Diazepam is a Controlled substance (depressant).
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 MacDonald, A., et al.: Anal. Profiles Drug Subs., 1, 79 (1972); Mandelli, M., et al.: Clin. Pharmacokinet., 3, 72 (1978); Bertilsson, L., et al.: Pharmacol. Ther., 45, 85 (1990); Murray, J.B., et al.: J. Psychol., 124, 655 (1990); Pellock, J.M., et al.: Drug Saf., 27, 383 (2004);

Applications Cardioselective β-adrenergic blocker. Antihypertensive, antianginal, antiarrhythmic (class II).
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984),

Applications 1-Hydroxypyrene-d9 is found in humane urine after exposure to coal tar and a coal derived product.
References Jongeneelen, F.J., et al.: Int. Arch. Occup. Environ. Health, 57, 47 (1985)

Impurity Atenolol Impurity 3; Atenolol Impurity 1
Applications Atenolol Impurity 3. Atenolol Impurity 1.
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 3-[4-(2-methoxyphenyl)piperazin-1-yl]propan-1-amine (cas# 20529-23-1) is a useful research chemical.

Applications A β-adrenergic agonist, related to Clenbuterol and Mabuterol. A repartitioning agent.
References Engelhardt, G., et al.: Arzneim.-Forsch., 34, 1625 (1984),

Applications 3-Methoxy-1,2-propanediol is used to prepare phosphorothioate analogs of sn-2 radyl lysophosphatidic acid as metabolically stabilized LPA receptor agonists. It is also used to synthesize diacylglycerol analogs as potential second-messenger antagonists.
References Jiang, G., et al.: Bioorg. Med. Chem. Lett., 23, 1865 (2013); Briggs, J., et al.: Bioorg. Med. Chem. Lett., 2, 127 (1992)

Applications Fulvestrant (F862500) impurity D.

Stability Unstable in Methanol
Applications Used in the synthesis of cyanogen glycoside. A component contains in antiperspirants, deodorants, body soaps, shampoos, hair rinses, and hair; it inhibits volatile steroid formation by resident bacteria.
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 Marouf, A., et al.: Pharm. Biol., 39, 263 (2001), Fukuda, T., et al.: Biol. Pharm. Bull., 26, 271 (2003), Butler, M., et al.: J. Nat. Prod., 67, 2141 (2004), He, J., et al.: J. Nat. Prod., 69, 121 (2006),

Applications Labelled Bimatoprost (B386800). Bimatoprost is an antiglaucoma agent. Bimatoprost is an synthetic prostamide; structurally related to prostaglandin F2α.
References Brandt, J.D., et al.: Ophthalmology, 108, 1023 (2001), Woodward, D.F., et al.: J. Pharmacol. Exp. Ther., 305, 772 (2003), Quinones, R., et al.: J. Ocul. Pharmacol. Ther., 20, 115 (2004),

Applications The primary labelled metabolite of Diazepam. A ligand for the GABAA receptor benzodiazepine modulatory site. Anxiolytic.Controlled substance (depressant).
References Klotz, U., et al.: Br. J. Clin. Pharmacol., 7, 119 (1979), Konishi, M., et al.: J. Pharm. Sci., 67, 1777 (1978), Andreoli, V., et al.: Arzneim.-Forsch., 27, 436 (1977), Miller, R.P., et al.: Toxicol. Appl. Pharmacol., 25, 453 (1973), Margolis, J., et al.: Drug Metab. Dispos., 31, 606 (2003),

Stability Hygroscopic
Applications d-Cloprostenol Sodium Salt is the d-enantiomer of Cloprostenol (C587300), an aryl-oxymethyl analog of prostaglandin F2α.
References Gumen, A., et al.: J. Animal. Sci., 56, 279 (2011); Leterlier, C.A., et al.: Reproduct. Domestic. Animals., 46, 481 (2011); Martins, J.P.N., et al.: J. Diary. Sci., 94, 2815 (2011);

Applications A labelled metabolite of Toluene.
References Gargas, M., et al.: Toxicol. Appl. Pharmacol., 98, 87 (1989), Commandeur, J., et al.: Pharmacol. Rev., 47(2), 271 (1995), Campo, P., et al.: Neurotoxicol. Teratol., 21, 427 (1999), Lohse, C., et al.: J. Agr. Food Chem., 48, 5913 (2000),

Impurity Atenolol Desmethyl Impurity
Applications Cis-Desmethyl Atenolol is an impurity of Atenolol (A790075), a cardioselective β-adrenergic blocker and antihypertensive agent. Atenolol Desmethyl Impurity
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984);

Applications Salicylic Acid β-D-O-Glucuronide is a metabolite of Acetylsalicylic Acid (Aspirin) (A187780).
References Grootveld, M., et al.: Biochem. Pharmacol., 37, 271 (1988), Subbegowda, R., et al.: Cancer Res., 58, 2772 (1998), Yoshida, Y., et al.: Eur. J. Pharmacol., 349, 49 (1998),

Applications Cyancobalamin-b-carboxylic Acid is a Vitamin B12 (V676005) derivative, which is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood.
References Rickes, et al.: Science, 107, 396 (1948); Kirschbaum, J., et al.: Anal. Profiles Drug Subs., 10, 183 (1981); Grasbeck, R., et al.: Clin. Biochem., 17, 99 (1984)

Applications Labelled MDV 3100. MDV 3100 is an androgen-receptor antagonist that blocks androgens from binding to the androgen receptor and prevents nuclear translocation and co-activator recruitment of the ligand-receptor complex. MDV 3100 has also been shown to induce tumor cell apoptosis, and has no agonist activity. MDV 3100 is a candidate for the treatment of castration-resistant prostate cancer.
References Scher, H.I. et al.: Lancet, 375, 1437 (2010); Bellmunt, J. et al.: Ther. Adv. Med. Oncol., 2, 189 (2010); Ryan, C.J. et al.: J. Clin. Oncol., 29, 3651 (2011);

Impurity Atenolol EP Impurity D
Applications 4-(3-Chloro-2-hydroxypropoxy)benzeneacetamide is an impurity of Atenolol (A790075), a cardioselective β-adrenergic blocker. Atenolol EP Impurity D
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984); Pai, N.R., et al.: J. Chem. Pharma. Rsch., 4, 375 (2012);