Étalons pharmaceutiques

Applications 3-Nitrophenol is a chemical reagent used in various organic syntheses. Used in the synthesis of RAGE inhibitors via the etherification of phenols. Also used in the synthesis of kinase inhibitors against epidermal growth factor receptor T790M mutation.
References Zhou, W. et al: Nature. 462, 4887 (2009); McKillop, A. et al.: Tetrahedron, 30, 1379 (1974);

Applications 2-Amino-4-chloro-3-nitropyridine (cas# 6980-08-1) is a compound useful in organic synthesis.
References Bavetsias, V., et al.: Bioorg. Med. Chem. Lett., 17, 6567 (2007), Niculescu-Duvaz, D., et al.: J. Med. Chem., 52, 2255 (2009),

Applications DL-Homocysteine Thiolactone-3,3,4,4-d4 HCl (CAS# 1219805-31-8) is a useful isotopically labeled research compound.

Applications Chromium (II) chloride is use as a reducing agent for dehalogenation of organic halides. Chromium (II) chloride is also used as a reagent for chemo-, regio- and diastereoselective C-C bond formation.
References Hashmi, A.: J. Prakt. Chem., 338, 491 (1996); Takai, K., et al.: Tetrahedron Lett., 24, 5281 (1983)

Applications 3’-Chloro-3'-deoxy-5’-O-tritylthymidine (cas# 34627-62-8) is a compound useful in organic synthesis.

Applications 2,3-Pentanedione 3-[(2,4-Dinitrophenyl)hydrazone] is derived from 3-Pentanone (P273600), which is mainly used as a solvent in paint and a precursor to vitamin E. It is a useful synthetic intermediate. It can be used as a reagent to synthesize Ethyl 2-Cyano-3,3-diethylacrylate (E907600) by Knoevenagel condensation. It also shows anticonvulsant effect in several types of mouse seizure models.
References Hasebe, N., et al.: Eur. J. Pharma., 642, 66 (2010); Siegel, H., et al.: Ullmann's Encyclopedia of Industrial Chemistry (2002);

Applications 2,3'-Dibromopropiophenone is an intermediate in the synthesis of 3-Deschloro-3-bromo Bupropion Hydcrochloride (D281955), a derivative of Bupropion Hydrochloride (B689625), a selective inhibitor of dopamine uptake. An antidepressant of the aminoketone class; aid in smoking cessation.
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 Soroko, F., et al.: J. Pharm. Pharmacol., 29, 769 (1977), Tucker, W.E., J. Clin. Psychiatry, 44, 60 (1983), Hsyu, P-H., et al.: J. Clin. Pharmacol., 37, 737 (1997), West, R., et al.: Expert Opin. Pharmacother., 4, 533 (2003),

Impurity Atorvastatin 2-Hydroxy Lactone
Stability Hygroscopic
Applications A metabolite of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.

Applications 3-Deoxy-D-ribo-hexono-1,4-lactone, is a building block used in synthesis of various compounds.

Applications 4-Bromo-1,8-naphthalic Anhydride is used as a starting material in the synthesis of a fluorescent probe for the detection of copper ions in living human LO-2 cell lines.
References He, Guangjie, et al.: PLoS One, 12(10), e0186994/1-e0186994/11 (2017)

Impurity Duloxetine Phthalamide Impurity
Applications (S)-Duloxetine Phthalamide is an impurity of (S)-Duloxetine present with enteric polymer hydroxypropylmethylcellulose phthalate (HPMCP) in dosage formulations.
References Jansen, P.J., et al.: J. Pharmaceut. Sci., 87, 81 (1998),

Stability Temperature and Moisture Sensitive
Applications 5-Trifluoromethyl-2-pyridinesulfonyl Chloride, 95%, 10% in Benzene (cas# 174485-72-4) is a compound useful in organic synthesis.
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 Olodaterol is a long acting β-adrenoceptor agonist used as an inhalation for treating patients with chronic obstructive pulmonary disease (COPD).
References Cazzola, M., et al.: Pharmacol. Rev., 64, 450 (2012); Bouyssou, T., et al.: Bioorg. Med. Chem. Lett., 20, 1410 (2010);

Applications 6β-Hydroxy Betamethasone can be used as analyte in analytical study for detecting betamethasone metabolites in human urine using liquid chromatography coupled to tandem mass spectrometry.
References Matabosch, X., et al.: Drug Testing and Analysis, 7, 663-672 (2015)

Applications Dihydronaftazone-d4 O-β-D-Glucuronide is labelled Dihydronaftazone O-β-D-Glucuronide (D450330) which is a metabolite of Naftazone (N359270) which is a novel anti-anflammatory agent as well as an anti-proliferative agent due to its 1,2-napthoquinone substructure.
References Marrero-Ponce, Y. et al.: Eur. J. Med. Chem., 46, 5736 (2011)

Applications α-Cholesterol-d6 is labelled α-Cholesterol which is a stereoisomer of Cholesterol (C432501), a major component of all biological membranes and the principal sterol of the higher animals.
References Rosin, Z., et al.: Physiol. Chem., 124, 282 (1923), Schoenheimer, et al.: J. Biol. Chem., 105, 355 (1934), Gemant, et al.: Life Sci., 1, 233 (1962), Johnson, K., et al.: 4, 457 (1964),

Impurity Beclomethasone Dipropionate EP Impurity I
Applications (16β)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (Beclomethasone Dipropionate EP Impurity I) is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Anti-inflammatory (topical).
References Malfitan, V.A., et al.: Clin. Ther., 4, 472 (1982), Rao, M., et al.: J. Asthma, 19, 21 (1982), Small, P., et al.: Ann. Allergy, 49, 127 (1982), Brogden, R.N., et al.: Drugs, 28, 99 (1984),

Applications 9-Bromononanoic Acid is an intermediate in synthesizing Rumenic Acid (R701590), a trans fatty acid that may potentially reduce the risk of cancer and cardiovascular diseases. It may also prevent disease processes that lead to chronic inflammation, atherosclerosis, and diabetes.
References Baer, D. J.: Am J Clin Nutr 95, 267 (2012); Gebauer, S. K., et al.:  Adv Nutr 2, 332 (2011); Duffy, P. E., et al.: Tetrahedron 62, 4838 (2006)