Stéroïdes

Applications Methyl Lithocholate is an derivative of Lithocholic Acid (L469180),a cholic acid derivative as TGR5 modulator. Found in ox bile, human bile, rabbit bile, and in ox and pig gallstones.
References Roleira, F.M., et al.: Lett. Drug. Design. Discovery., 7, 610 (2010);

Stability Hygroscopic
Applications A metabolite of Cortisol (H714615).
References Quinkler, M., et al.: J. Clin. Endocrinol. Metab., 88, 2384 (2003), Draper, N., et al.: J. Endocrinol., 186, 251 (2005), Kotlowska, A., et al.: Clin. Biochem., 42, 448 (2009),

Applications A metabolite of Cortisone (C696500).
References Mashkovskii, M., et al.: Med. Agents, 2, 34 (2002),

Applications A metabolite of Desoxymetasone (D296970).
References Schriks, M., et al.: Environ. Sci. Technol., 44, 4766 (2010), Baeck, M., et al.: Eur. J. Dermatol., 20, 102 (2010), Lee, P., et al.: Bioorg. Med. Chem. Lett., 20, 69 (2010),

Stability Light Sensitive
Applications A metabolite of Letrozole.
References Koyama, E., et al.: Ther. Drug Monit., 15, 224 (1993), Pfister, C., et al.: J. Pharm. Sci., 83, 520 (1994), Vander H.Y., et al.: J. Pharm. Biomed. Anal., 24, 723 (2001), Cohen, M., et al.: Clin. Cancer Res., 8, 665 (2002),

Applications 5α-Androstenone is a volatile steroid found in human perspiration, boar saliva, truffles, and celery. It was also identified as the first mammalian pheromone.
References Wysocki, C.J., et al.: P. Natl. Acad. Sci. USA, 86, 7976 (1989); Dorries, K.M., et al.: Brain Behav. Evol., 49, 53 (1997)

Applications 6α-Methyl-9α-fluoro-11β,17α-dihydroxyprogesterone is an impurity of Fluorometholone (F593145), a glucocorticoid; anti-inflammatory.
References Kupferman, A., et al.: Arch. Ophthlmol., 640, 100 (1982), Tokunaga H., et al.: Chem. Pharm. Bull., 32, 4012 (1984),

Applications 17α-Methyl-5α-androstane-2β,3α,17β)-triol is a derivative of Madol (M108000, which is an anabolic steroid recently identified to be misused as a doping agent. The potency of Madol (DMT) to transactivate androgen receptor (AR) dependent reporter gene expression was two times lower as compared to dihydrotestosterone (DHT).
References Zierau, O., et al.: Planta Med., 69, 856 (2003), Takahashi, M., et al.: Endocr. J., 51, 425 (2004), Labrie, F., et al.: J. Endocrinol., 184, 427 (2005),Friedel, A., et al.: Toxicol. Lett., 164, 16(2006),

Applications Quillaic Acid an unglycosylated saponin from the Quillaja saponaria bark is used as a topical antiinflammatory.
References Arrau, S. et al.: J. Ethnopharm., 133, 164 (2011);

Applications Cholesteryl Acetate Dibromide is an brominated intermediate in the synthesis of Cholesterol (C432501) derivatives.
References Kandutsch, A.A., et al.: J. Biol. Chem., 249, 6057 (1974);

Applications Prednisolone 21-β-D-Glucuronide Sodium Salt is a metabolite of Prednisolone (P703740).
References Hutzler, J., ET AL.: Drug Metab. Dispos., 30, 355 (2002), Sugiyama, D., et al.: J. Biol. Chem., 278, 43489 (2003), Hagenbuch, B., et al.: Xenobiotica, 38, 778 (2008),

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

Applications Clocortolone Acetate is an intermediate in the synthesis of Clocortolone (C583800), an corticosteroid used in the treatment of skin inflammmation and other skin conditions arising for dermatoses.
References Rehm, K. et al.: Pharmaz. Zeit., 127, 888 (1982);

Impurity Beclomethasone Dipropionate EP Impurity B
Applications Beclomethasone 21-Acetate 17-Propionate (Beclomethasone Dipropionate EP Impurity B) is an impurity of Beclomethasone Dipropionate (B131030).

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),