Stéroïdes

Applications (3α,​17α)​-4-​Chloro-​3-​hydroxy-​17-​methyl-18-​Norandrosta-​4,​13-​diene-​17-​methanol is a metabolite of Dehydrochloromethyltestosterone (DHCMT) and a related compound of clostebol acetate (C587395), an anabolic steroid. References Roy, D., et al.: Eur. J. Med. Chem., 42, 1365 (2007); Alvarez-Ginarte, Y., et al.: Bioorg. Med. Chem., 16, 6448 (2008); Srivastava, H., et al.: Med. Chem. Res., 18, 455 (2009)

Applications Tixocortol 21-Pivalate is an anti-inflammatory agent. Tixocortol 21-Pivalate is used in fluorescent chemoaffinity labeling. References Torossian, D.R., et al.: Arzneim.-Forsch., 31, 453 (1981),

Applications (6α,11β,16α,17α)-6,9-Difluoro-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid is an impurity compound of fluticasone furoate (F599510). A steroid used in the studies on the primary metabolic pathway of fluticasone furoate in animals hepatocyte and in humans. References Lulla, M., et al.: Handbook of Metabolic Pathways of Xenobiotics, 4, 1475 (2014), Hughes, S. C., et al.: Drug Metab. Dispos., 36, 2337 (2008)

Applications Labelled Corticosterone (C695700). Glucocorticoid; an intermediate in the biosynthesis of aldosterone, isolated from the adrenal cortex. References Schmidt, M., et al.: Endocrinol., 150, 2709 (2009), Bailey, M., et al.: J. Immunol., 182, 7888 (2009), Brunton, P., et al.: J. Neurosci., 29, 6449 (2009), Pruett, S., et al.: Toxicol. Sci., 109, 265 (2009),

Natural glycoside

Applications Labelled Norgestrel. It is an excellent progestational and ovulation inhibiting steroid. The bioactive enantiomer is levorotatory. Progestogen; oral contraceptive. References Sopirak, A.M., et al.: Anal. Profiles Drug Subs., 4, 294 (1975), Dunson, T.R., et al.: Contraception, 48, 109 (1993),

Betamethasone valerate EP Impurity D is a synthetic steroid compound, specifically an impurity of betamethasone valerate. This impurity is typically derived from the chemical synthesis processes associated with the production of betamethasone valerate. It serves as a reference standard in the analytical and pharmaceutical research fields. The mode of action of Betamethasone valerate EP Impurity D involves its structural activity compared to the parent compound, betamethasone valerate, a potent glucocorticoid receptor agonist. While the impurity itself is not used therapeutically, its presence and characteristics can influence the quality and efficacy of pharmaceuticals containing betamethasone valerate. In terms of applications, Betamethasone valerate EP Impurity D is primarily used in quality control and validation processes to ensure the purity and safety of corticosteroid pharmaceuticals. Its identification and quantification are critical in maintaining compliance with pharmacopeial standards, thus ensuring that therapeutic formulations meet rigorous safety and efficacy requirements for clinical use.

Applications Labelled Dydrogesterone. A synthetic progestin largely used in hormone therapy, on the central nervous system by studying two markers of the neuroendocrine function: the neurosteroid allopregnanolone and the opioid .beta.-endorphin. Progestogen. References Bernardi, F., et al.: Eur. J. Endocrinol., 138, 316 (1998), Rupprecht, R., et al.: Steroids, 64, 83 (1999), Uzunova, V., et al.: Brain Res., 976, 1 (2003), Pluchino, N., et al.: J. Steroid Biochem. Mol. Biol., 102, 205 (2006),