Étalons pharmaceutiques

Impurity Beclomethasone Dipropionate EP Impurity S
Applications Beclomethasone 11,17,21-Tripropionate (Beclomethasone Dipropionate EP Impurity S) 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 2',7'-Difluorofluorescein is a reactant used in the synthesis of biarsenical probes that inhibit protein tyrosine phosphatases.
References Pomorski, A., et. al.: Org. Biomol. Chem., 13, 1395 (2015)

Stability Hygroscopic
Applications A metabolite of Equilin (E592800).
References Enmark, E., et al.: J. Clin. Endocrinol. Metab., 82, 4258 (1997), Wang, Z., et al.: J. Med. Chem., 43, 2419 (2000), Jiang, X., et al.: Steroids, 71, 334 (2006),

Applications N6,O2'-Dimethyladenosine-d3 is an isotopic analog of N6,O2'-Dimethyladenosine (D447415), a naturally occurring modified nucleoside in RNA. It was reported in the preparation of alkylated adenosines as antihypertensive agents.
References Yamada, T., Kageyama, K.: Eur. Pat. Appl. (1988), EP 269574 A2 19880601; Aduri, R., et al.: J. Chem. Theory Comput., 3, 1464 (2007);

Applications 2,2'-Dinitrodibenzyl is an intermediate in the synthesis of Carbamazepine (C175840), an antiepileptic drug that is used to treat patients with trigeminal neuralgia and psychiatric disorders (such as depression and bipolar disorder).
References Greil, W.,et al.: J. Affect. Disord., 43, 151 (1997); Lerer, B., et al.: Spina, E., et al: Clin. Pharm., 31, 198 (1996)

Impurity Betamethasone Dipropionate EP Impurity G
Applications Betamethasone Tripropionate (Betamethasone Dipropionate EP Impurity G) is a Betamethasone (B327000) related compound.
References Grootveld, M., et al.: Biochem. Pharmacol., 37, 271 (1988), Chen, B., et al.: Steriods, 74, 30 (2009), Mikami, E., et al.: J. Pharm. Biomed. Anal., 28, 261 (2002),

Applications 9-(N-Methylaminomethyl)anthracene is a reactant that has been used in the synthesis of anthracene-oxyquinoline dyad as a fluorescent indicator for Hg(II).
References Praveen, L., et. al.: Tetrahedron Lett., 53, 3951 (2012)

Applications Labelled Indoleacetic Acid (I577343) has the potential to be used in anti-cancer therapy in conjunction with horseradish peroxidase (HRP).
References Kawano, T. et al.: Gen. Hypo. 60, 664 (2003);

Applications 1-Naphthalenemethanol-d7 (cas# 1189876-86-5) is a compound useful in organic synthesis.

Impurity Rosuvastatin EP Impurity B
Stability Hygroscopic
Applications A diastereomer of Rosuvastatin (R700500) used for treatment, prevention and combination therapy of lipid-related disorders. Rosuvastatin EP Impurity B

Applications 3,5-Dinitrosalicylic Acid (cas# 609-99-4) is a compound useful in organic synthesis.Dyes and metabolites.

Applications (2E,4Z)-2,4-Decadienoic Acid Methyl Ester is used in the syntheses of Methyl (R,E)-2,4,5-tetradecatrienoate and Methyl (2E,4Z)-2,4-decadienoate, the pheromone components of the male dried bean beetle, Acanthoscelides obtectus (Say).
References Fujisawa, T., et al.: Tetrahedr. Lett., 25, 4007 (1984); Mori, K., et al.: Bioorg. Med. Chem., 15, 7505 (2007);

Impurity Betamethasone Dipropionate EP Impurity J
Applications Betamethasone 9,11-Epoxide 17,21-Dipropionate (Betamethasone Dipropionate EP Impurity F) is an impurity of Betamethasone (B327000), an antiinflammatory agent.
References Shou, M., et al.: J. Pharm. Biomed. Anal., 50, 356 (2009),

Applications Tetrachloroauric Acid, is used for the recovery, concentrating, purification, and analytical determinations of gold. It is the precursor used in the purification of gold by electrolysis.
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 Mironov, I. V., et al.: Russian J. Inorg. Chem., 57, 610 (2012); Feather, A., et al.: J. Southern Africa Inst. mining Metal., 169 (1997);

Applications Methyl Indole-2,4,5,6,7-d5-3-acetate is an isotopic analog of Methyl Indole-3-acetate (M313475), an important phytohormone.
References Quittenden, L., et al.: Plant Physiol., 151, 1130 (2009), Jiraskova, D., et al.: J. Phycol., 45, 108 (2009),

Applications: N,N'-Di(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic Acid Monohydrochloride Hydrate is a component for treating or preventing obesity and insulin resistance and mitrochondrial-associated disorders.N,N'-Di(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic Acid Monohydrochloride Hydrate is also the monohydrochloride hydrate of HBED (H107503), which is an iron chelator useful in treating iron overload.
References Milburn, Michael, WO 2007008548, (2007)Bergeron, Raymond J., WO 9939706, (1999)

Applications Betamethasone 17-Butyrate is an impurity of Clobetasone 17-Butyrate (C583550), an glucocorticoid used for anti-inflammatory purposes.

Applications 2-Naphthylacetic acid can be used to synthesize hydrolase inhibitors. It can also be utilized for developing γ-dipeptide derivatives that can bind human somatostatin receptors.
References Tarzia, G., et al.: J. Med. Chem. 46, 2352 (2003); Seebach, D., et al.: Angew. Chem. Int. Ed. 42, 776 (2003)

Applications 2,2'-Thiodiacetic Acid is a highly flexible ligand used in the synthesis of a series of metal complexes.
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 Hou, X., et al.: Chin. J. Struct. Chem., 32, 1339 (2013); Wu, X.X., et al.: Synth. React. Inorg. Me., 44, 486 (2014); Ma, C., et al.: J. Inorg. Organomet. P., 22, 1206 (2012)