Stéroïdes

Applications 19-Norandrosterone is the oxidized byproduct of Nandrolone (N315000), an anabolic steroid that is present naturally in the human body.
References Jiang, J.Q., et al.: J. Food. Sci., 77, 63 (2012); Delgadillo, M.A., et al.: J. Chromatograph. Anal. Technol. Biomed. Life. Sci., 897 (2012);

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 A normal mammalian metabolite of Cortisone (C696500).
References Schneider, et al.: J. Biol. Chem., 183, 365 (1950), Barkemeyer, et al.: Appl. Microbiol., 8, 237 (1960),

Stability Very Hygroscopic
Applications Mixed conjugate of dietary phytoestrogen.
References Adlercreutz, H;., et al.: J. Steroid Mol. Biol., 52, 97 (1995), Kinjo, J., et al.: Biol. Pharm. Bull., 27, 185 (2004),

Impurity Clobetasol Propionate EP Impurity A / Betamethasone Dipropionate EP Impurity B
Applications Betamethasone 17-Propionate (Clobetasol Propionate EP Impurity A) is a degradation product of Betamethasone. Glucocorticoid.
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

Impurity Beclomethasone Dipropionate EP Impurity D
Applications 9-Deschloro-9-bromo Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity D) is an impurity of Beclomethasone Dipropionate (B131030).
References Shou, M. et al.: J. Pharmac. Biomed. Anal., 50, 356 (2009); Johnston, S. et al.: J. Chrom. Sci., 48, 733 (2010);

Applications 4-Hydroxy Estradiol 1-N7-Guanine is an estrogen metabolite formed with DNA which can lead to the mutations that initiate breast, prostate, and other types of cancer. Estrogen-DNA depurinating adducts as biomarkers of cancer risk and their use in cancer detection and prevention.
References Chakravarti, D., et al.: Mutat. Res., 456, 17 (2000), Liehr, J., et al.: Endocr. Rev., 21, 4054 (2000), Chakravarti, D., et al.: Oncogene, 20, 7945 (2001), Cavalieri, E., et al.: Chem. Res. Toxicol., 14, 1041 (2002),

Impurity Estriol EP Impurity H
Applications 16α-Hydroxy Estrone (Estriol EP Impurity H) is a major metabolite of Estradiol.
References Fishman, H.G, et al.: Biochemistry, 8, 4304 (1969), Ryan, Sugar, J., et al.: J. Clin. Endocrinol. Metab., 50, 137 (1980), Numazawa, M., et al.: Steroids, 38, 149 (1981), Travis, R., et al.: Breast Cancer Res., 5, 239 (2003),

Impurity Betamethasone Dipropionate EP Impurity D
Applications Betamethasone 21-acetate-17-propionate (Betamethasone Dipropionate EP Impurity D) is a related compound of Betamethasone dipropionate (B327005).
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),

Stability Hygroscopic
Applications A metabolite of Digoxin (Dx) (D446575).
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 Fujii, Y., et al.: Clin. Chem., 37, 476 (1991), Salphati, L., et al.: Xenobiotica, 29, 171 (1999), Song, S., et al.: Drug Metab. Dispos., 27, 689 (1999),

Stability Light Sensitive
Applications 6α-Chloro Testosterone is a derivative of Testosterone, the principal hormone of the testes, produced by the interstitial cells. Major circulating androgen; converted by 5α-reductase in androgen-dependent target tissues to 5α-dehydrotestosterone which is required for normal male sexual differentiation. Also converted by aromatization to Estradiol.Testerone is a controlled substance (anabolic steroid). Androgen.This compound is a contaminant of emerging concern (CECs).
References McFarland, K., et al.: Science, 245, 494 (1989), Heckert, L., et al.: Mol. Endocrinol., 12, 1499 (1998), Themmen, A., et al.: Endocr. Rev. 21, 551 (2000), Kumar, R., et al.: Biol. Reprod., 65, 710 (2001),

Stability Hygroscopic
Applications Glycocholic Acid Sodium Salt is a biochemical formed by the conjugation of cholic acid (C432600) with glycine (G615990).
References Monalisa, M., et al.: Langmuir, 27 (2011);

Impurity Clobetasol Propionate EP Impurity K / Betamethasone Dipropionate EP Impurity C
Applications Betamethasone 21-Propionate (Clobetasol Propionate EP Impurity K) is a degradation product of Betamethasone. Glucocorticoid.
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

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 A metabolite of Desogestrel.
References Back, D., et al.: Br. J. Clin. Pharmacol., 26, 23 (1988), Wienkers, L., et al.: Drug Metab. Dispos., 1990, 24, 610 (1990), Bourrie, M., et al.: J. Pharmacol. Exp. Ther., 277, 321 (1996), Ono, S., et al.: Xenobiotica, 26, 681 (1996),

Applications N-Desmethyl Ulipristal Acetate is the N-monodemethylated analogue and metabolite of the selective progesterone receptor modulator Ulipristal Acetate (U700810). N-Desmethyl Ulipristal Acetate contributes significantly to the antiprogestational activity of its parent compound.
References Attardi, B.J. et al.: J. Steroid Biochem. Mol. Biol., 88, 277 (2004);

Stability Hygroscopic
Applications A degradation product of Betamethasone (B327000).
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

Stability Hygroscopic
Applications 3-Sulfoglycolithocholic Acid Disodium Salt is a derivative of Lithocholic acid (L469180). Lithocholic acid (LCA) is a putative tumor promoter,that is shown to be able to inhibit mammalian DNA polymerase β.
References Ogawa, A., et al.: Jap. J. Canc. Res., 89, 1154 (1998)