Outros

Impurity Memantine Related Compound A (1,3-Dimethyladamantane)
Applications 1,3-Dimethyladamantane is a dimethylated adamantane derivative. Memantine impurity A. Memantine Related Compound A (1,3-Dimethyladamantane).
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 Palbociclib (also known as compound number PD-0332991) 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);

Impurity Lorazepam USP Related Compound A
Stability hygroscopic
Applications Lorazepam is an anxiolytic compound that potentiates GABAergic synaptic transmission by binding at the benzodiazepine site on the GABAA receptor.1,2 This product is intended for forensic and research applications. Lorazepam acts as ananticonvulsant. Lorazepam USP Related Compound A.Controlled substance (depressant).
References Rutgers, G., et al.: Anal. Profiles Drug Subs., 9, 397 (1980), Korkmaz, S., et al.: Eur. Neuropsychopharmacol., 8, 175 (1998), D’Onofrio, G., et al.: N. Engl. J. Med., 340, 915 (1999),

Applications Fulvestrant 17-Ketone, is an impurity of Fulvestrant (F862500), a novel steroidal estrogen antagonist reported to lack any partial agonist activity. Antineoplastic (hormonal).
References Wakeling, A.E., et al.: Cancer Res., 51, 3867 (1991), Howell, A., et al.: Br. J. Cancer, 74, 300 (1996), Robertson, J.F., et al.: Cancer Res., 61, 6739 (2001),

Applications Methyl Ethanesulfonate is a sulfonic acid ester that is transparent at around 157 nm region, and is used in DFT calculations of vacuum-UV spectra in order to design the vinyl alkylsulfonate polymers for vacuum-UV photoresist applications.
References Fujigaya, T., et al.: J. Photopolym. Sci. Tec., 15, 643 (2002);

Stability Hygroscopic
Applications A metabolite of Memantine (M218000), used for the treatment of neurological disorders.
References Eiichi, K., et al.: Chem. Pharm. Bull., 33, 4680 (1985),

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 A compound present in olive oil. An important fine chemical intermediate with broad prospects for application development.
References Shu, Y., et al.: Guangdong Huagong, 37, 108 (2010), Papadopoulos, G., et al.: J Am Oil Chem Soc, 68, 669 (1991),

Applications Useful for diagnostic determination of Melamine and related compounds in kidney tissue.
References Mast, R., et al.: Food Chem. Toxicol., 21, 807 (1983), Yokley, R., et al.: J. Agric. Food Chem., 48, 3352 (2000), Ehling, S., et al.: Food Addit. Contam., 24, 1319 (2007), Vail, T., et al.: J. Anal. Toxicol., 31, 304 (2007),

Applications (E)-Isomer of Entacapone polymorphic form A. Peripherally acting inhibitor of catechol-O-methyl transferase (COMT), an enzyme involved in the metabolism of catecholamine neurotransmitters and related drugs. Antiparkinsonian.
References Karlsson, M., et al.: J. Pharm. Biomed. Anal., 10, 593 (1992); Nissinen, E., et al.: Arch. Pharmacol., 346, 262 (1992); Wikberg, T., et al.: Eur. J. Drug Metab. Pharmacokinet., 18, 359 (1993);

Stability Hygroscopic
Applications By-product in the preparation of a Lorazepam metabolite.

Applications A silicon based compound that can be used to create potentially biocompatible materials. Used as a monomer in the synthesis of long chain polysiloxane structures. Used in the methylation of mercury(II) salts.
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 Radeva, E. et al.: J. Optoelec. Adv. Mat., 11, 1432 (2009); Gandhiraman, R.P. et al.: Plama Proc. Polym., 11, 1432 (2009); Watanabe, N. et al.: Ecotoxic. Env. Safety, 11, 174 (1986);

Applications Cyclopyrrolone member of a family of non-benzodiazepine GABAA receptor agonists. This is a controlled substance (depressant) in the US but not in Canada. Sedative, hypnotic.
References Noble, S., et al.: Drugs, 55, 277 (1998), Musch, B., et al.: Int. J. Clin. Psychopharmacol., 5, 147 (1990),

Impurity Lorazepam USP Related Compound C
Applications An impurity of the anxiolytic and anticonvulsant drug Lorazepam (L469850). Lorazepam USP Related Compound C.
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 Wang, H. et al.: Yao. Fen. Zaz., 29, 1985 (2009); Dabas, P.C. et al.: Drug Dev. Ind. Pharm., 14, 133 (1988);

Applications A labelled metabolite of Diazepam; it had a much weaker anticonvulsant effect.
References Hara, T., et al.: J. Med. Chem., 21, 263 (1978),

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)

Stability Light Sensitive
Applications 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 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);

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);

Impurity Entacapone EP Impurity A
Applications cis-Entacapone (Entacapone EP Impurity A) is the (Z)-Isomer of Entacapone polymorphic form B. Antiparkinsonian.
References Karlsson, M., et al.: J. Pharm. Biomed. Anal., 10, 593 (1992), Nissinen, E., et al.: Arch. Pharmacol., 346, 262 (1992), Wikberg, T., et al.: Eur. J. Drug Metab. Pharmacokinet., 18, 359 (1993),

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 Cyclopropanecarboxylic Acid is used as a reagent in the synthesis of substituted 4-(thiophen-2-ylmethyl)-2H-phthalazin-1-ones as potent PARP-1 inhibitors. Also used as a reagent in the synthesis of 2-alkyloxazoles as potent and selective PI4KIIIβ inhibitors demonstrating inhibition of HCV replication.
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 Wang, L., et al.: Bioorg. Med. Chem. Lett., 24, 3739 (2014); Keaney, E.P., et al.: Bioorg. Med. Chem. Lett., 24, 3714 (2014)

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),

Applications Antitumor agent. A potent inhibitor of dihydropyrimidine dehydrogenase (DPD).
References Shirasaka, T., et al.: Cancer Res., 56, 2602 (1996), Patt, Y., et al.: J. Clin. Oncol., 22, 271 (2004), Shirao, K., et al.: Cancer, 100, 2355 (2004), Kelly, H., et al.: J. Clin. Oncol., 23, 4553 (2005),

Applications Simethicone is an oral anti-foaming agent used to reduce bloating, discomfort and pain caused by excess gas in the stomach or intestinal tract. Simethicone is a mixture of polydimethylsiloxane and hydrated silica gel.
References Grinshpan, D., et al.: Pharmaceut. Chem. J., 42, 400 (2008), Agarwal, D., et al.: J. Pharmac., 20, 206 (1988),

Applications Dehydro Silodosin is an impurity of Silodosin (S465000).
References Moriyama., et al.: Eur. J. Pharmacol., 331, 39 (1997), Zhu, J., et al.: Br. J. Pharmacol., 131, 546 (2000),

Applications Phenylboronic Acid is a compound used in organic synthesis of various pharmaceutical goods.
References Ainley, A.D., et al.: J. Chem. Soc., 2171 (1930);

Applications 5,6-Dimethylbenzimidazole (cas# 582-60-5) is a useful research chemical.

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);

Applications Desmethyl 5-Methoxycarbonyl Nintedanib is an impurity of Intedanib (I666650), which is an indolinone derivative potently blocking VEGF-, PDGF-, and FGF-receptor kinases. it is an indolinone as triple angiokinase inhibitors and an antitumor agent.
References Sun, L., et al.: J. Med. Chem., 41, 2588 (1998); Xie, H., et al.: J. Med. Chem., 50, 4898 (2007); Hilberg, F., et al.: Cancer Res., 68, 4774 (2008); Roth, G., et al.: J. Med. Chem., 58, 1053 (2015)

Applications Labelled (S)-Atenolol (A790080). Cardioselective β-adrenergic blocker. Antihypertensive, antianginal, antiarrhythmic (class II).
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984),

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)