Steroids and Derivatives

Applications Norgestrel 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),

Applications Estradiol is the major estrogen secreted by the premenopausal ovary. Estradiol benzoate is an estradiol analog which contains a benzyl ester at the C-3 position. Estradiol benzoate is useful in the treatment of lesions produced by diminution of bodily production of estrogens.
References MacLusky, N., et al.: Endocrinology, 106, 192 (1980), Apostolakis, E., et al.: J. Neurosci., 16, 4823 (1996), Guarraci, F., et al.: Brain Res., 999, 40 (2004), Petralia, S., et al.: J. Neuroendocrinol., 18, 902 (2006),

Applications A hyponotic-anaesthetic agent.
References Gyermek, et al.: J. Med. Chem., 11, 117 (1968)

Applications A metabolite of Eplerenone, which is used alone or in combination with other medications to treat high blood pressure. Eplerenone is in a class of medications called mineralocorticoid receptor antagonists. It works by blocking the action of aldosterone, a natural substance in the body that raises blood pressure.

Applications A deuterated 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.
References Smith, S., et al.: Am. J. Cardiol., 80, 10H (1997), Jacobsen, W., et al.: Drug Metab. Dispos., 28, 1369 (2000), Istvan, E., et al.: Science, 292, 1160 (2001), Tabernero, L., et al.: J. Biol. Chem., 278, 19933 (2003), Bratton, L., et al.: Bioorg. Med. Chem., 15, 5576 (2007),

Stability Light Sensitive
Applications Isovitamin D3 is a metabolite of Vitamin D. Studies show that Isovitamin D3 is biologically active in normal rats but inactive in anephric rats.
References Holick, M.F. et al.: Science, 180, 964 (1973); Wilczek, H. et al.: Prak. Lek., 59, 794 (1979);

Applications Selective aldosterone receptor antagonist (SARA), structurally similar to Spiranolactone. Eplerenone is used alone or in combination with other medications to treat high blood pressure. Eplerenone is in a class of medications called mineralocorticoid receptor antagonists. It works by blocking the action of aldosterone, a natural substance in the body that raises blood pressure.
References de Gasparo, M., et al.: J. Pharmacol. Exp. Ther., 240, 650 (1987), Delyani, J.A., et al.: Cardiovasc. Drug Rev., 19, 185 (2001), Burgess, E., et al.: Expert. Opin. Pharmacother., 5, 2573 (2004), Ravis, W.R., et al.: J. Clin. Pharmacol., 45, 810 (2005),

Applications Anti-inflammatory.
References Buchwald, P., et al.: Steroids, 73, 193 (2008), Holbeck, S., et al.: Mol. Endocrinol., 24, 1287 (2010),

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 synthetic, anabolic steroid. Used to promote muscle growth and combat involuntary weight loss. It has also been used to treat cases of osteoporosis.
References Cadwallader, A., et al.: Mol. Pharm., 7, 689 (2010), Amundson, E., et al.: J. Clin. Endocrinol. Metabol., 95, 1355 (2010), Bovee, T., et al.: J. Steroid Biochem. Mol. Biol., 118, 85 (2010), Fourches, D., et al.: Chem. Res. Toxicol., 23, 171 (2010),

Applications A metabolite of Exemestane; exerts biological effects as an androgen.
References Howell, A., et al.: Lancet, 365, 60 (2005), Goss, P., et al.: Clin. Cancer Res., 10, 5717 (2004), Buzdar, A., et al.: Lancet Oncol., 7, 633 (2006), Coates, A., et al.: J. Clin. Oncol., 25, 486 (2007), Jordan, V., et al.: Steroids, 72, 7 (2007),

Applications A metabolite of Prednicarbate (P703700).
References Kumar, R., et al.: Steroids, 64, 310 (1999), Kauppi, B., et al.: Biol. Chem., 278, 22748 (2003), Buchwald, P., et al.: J. Med. Chem., 49, 883 (2006),

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),

Applications (7α,11α,12α,17α)-11,12-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic Acid Lactone, Methyl Ester is an impurity of eplerenone (E588775). Eplerenone is a selective aldosterone receptor antagonist (SARA), structurally similar to Spiranolactone. Eplerenone is used alone or in combination with other medications to treat high blood pressure. Eplerenone is in a class of medications called mineralocorticoid receptor antagonists. It works by blocking the action of aldosterone, a natural substance in the body that raises blood pressure.
References de Gasparo, M., et al.: J. Pharmacol. Exp. Ther., 240, 650 (1987), Delyani, J.A., et al.: Cardiovasc. Drug Rev., 19, 185 (2001), Burgess, E., et al.: Expert. Opin. Pharmacother., 5, 2573 (2004), Ravis, W.R., et al.: J. Clin. Pharmacol., 45, 810 (2005),

Applications A metabolite of Mifepristone (M343975).
References Ringler, I., et al.: Metabolism, 13, 37 (1964), Gagne, D., et al.: J. Steroid. Biochem., 25, 315 (1986), Jang, G., et al.: Biochem. Pharmacol., 52, 753 (1996), Hild, S., et al.: Hum. Reprod., 15, 822 (2000), Gainer, E., et al.: Steroids, 68, 1005 (2003),

Stability Light Sensitive
Applications An impurity of the selective FP prostaglandin receptor agonist Travoprost (T715600) used as an ocularly applied intraocular pressure reducing agent.

Stability Hygroscopic
Applications Budesonide (B689490) epimer R. Budesonide 22R epimer is more active than 22S epimer. Used as an antiinflammatory agent.
References Ryrfeldt., A., et a.: J. Steroid Biochem., 10, 317 (1979), Roth, G., et al.: J. Pharm. Sci., 69, 766 (1980), Clissold, S.P., et al.: Drugs, 28, 485 (1984),

Applications Progesterone (P755900) impurity.
References Liang, T., et al.: Biol. Chem., 256, 7998 (1981), Bratoeff, E., et al.: J. Steroid Biochem. Mol. Biol., 111, 275 (2008),

Applications A steroid hormone with weak androgenic activity. It is metabolized from Testosterone (T155000) in the liver and is used in doping analysis to detect testosterone misuse. Controlled Substance.This compound is a contaminant of emerging concern (CECs).
References Park, J., et al.: J. Anal. Toxicol., 14, 66 (1990), Palonek, E., et al.: J. Steroid Mol. Biol., 55, 121 (1995), Aguilera, R., et al.: Clin. Chem. 47, 292 (2001), Flenker, U., et al.: Steroids, 73, 408 (2008),

Applications ∆9,11-Dehydro-17α-cyanomethyl estradiol is a metabolite of progestin dienogest (D441870), and is currently being investigated for progesterone-receptor binding, progestational, antiprogestational, estrogenic and antigonadotropic activities for the inhibition of fertility. It is also being considered a novel treatment for heavy menstrual bleeding.
References Oettel, M., et al.: Pharmazie, 41, 627 (1993); Kiley, J. & Shulman, L.: Int. J. Womens Health, 3, 281 (2011);

Applications Fluocortolone is a glucocorticoid used in the treatment of several conditions, including hemorrhoids. Fluocortolone is similar to Fluocortin, but with one less keto group.
References Breuer, et al.: Arzneim.-Forsch., 15, 50 (1965), Domenico, et al.: Arzneim.-Forsch., 15, 46 (1965), Gerhards, et al.: Acta Endocrinol., 68, 98 (1971),

Applications 6α,9α-Difluoroprednisolone has shown to increase metastases and increase glucocorticoid activity in C57/BL6 mice.
References Albert, D., Zeidman, I.: Cancer Res., 22, 1297 (1962)

Applications (3β)-Cholesta-4,6-dien-3-ol is a Cholesterol (C432501) and Cholestane (C431700) derivative which has the potential to act as an antiinflammatory and antifungal compound.
References Felicio, R. et al.: J. Pharm. Biomed. Anal., 52, 763 (2010); 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),

Stability Light Sensitive
Applications An impurity of Fluvastatin.

Applications A degradation and metabolic intermediate of Betamethasone (B3270000).

Applications Labelled Metabolite of Testosterone (T155000).
References Shibata, N., et al.: Biochem. J., 368, 783 (2002), Sonneveld, E., et al.: Toxicol. Sci., 83, 136 (2005), Schulze, J., et al.: J. Clin. Endocrinol. Metab., 93, 2500 (2008), Sten, T., et al.: Drug

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),

Applications An 5,6-trans isomeric impurity of the selective FP prostaglandin receptor agonist Travoprost (T715600).

Applications 11β,21-dihydroxypregna-1,4,16-triene-3,20-dione is a derivative of Prednisolone (P703740) and an intermediate in the synthesis of isoxazolinopregnadienes which exhibit anti-inflammatory activity.
References Khalil, M.A., et al.: Med. Chem. Res., 6, 52 (1996); Kwon, T., et al.: J. Med. Chem., 38, 1048 (1995)

Applications It is a potent and tissue-selective androgen receptor modulator (SARM) used as antiosteoporotic agent.
References Samnegard, E., et al.: Bone, 28, 414 (2001), Hanada, K., et al.: Biol. Pharm. Bull., 26, 1563 (2003), Kearbey, J., et al.: Xenobiotica, 34, 273 (2004), Kearbey, J., et al.: Xenobiotica, 34, 273 (2004), Kearbey, J., et al.: Pharm. Res., 24, 328 (2007),

Applications Calcipotriol Monohydrate is a synthetic derivative of calcitriol, which is a biologically active form of Vitamin D3 (1). Calcipotriol Monohydrate can be used to treat psoriasis (2).
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 (1) Kim, D. H., et al.: Ann Dermatol. 24, 341 (2012) (2) Queille-Roussel, C., et al.: Clin Drug Investig (2016)

Impurity Fulvestrant EP Impurity B
Applications A metabolite of Fulvestrant (F862500).
References Rao, P., et al.: J. Steroid Biochem., 25, 417 (1986), Wakeling, A., et al.: J. Steroid Biochem. Mol. Biol., 43, 173 (1992), DeFriend, D., et al.: Cancer Res., 54, 408 (1994),

Applications Ospemifene is used to treat dyspareunia. It is a selective estrogen receptor modulator (SERM) acting similarly to an estrogen.
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 Rutanen, E., et al.: Menopause, 10, 433 (2003);

Impurity Norethindrone Acetate EP Impurity C
Applications Δ-5(6)-Norethindrone Acetate (Norethindrone Acetate EP Impurity C) is an impurity of Norethindrone Acetate (N675990).

Stability Moisture Sensitive
Applications Dexamethasone 21-Mesylate is a derivative of Dexamethasone (D298800), a glucocorticoid used as an anti-inflammatory agent.
References Kim, T.H., et al.: J. Nanosci. Nanotech., 13, 7325 (2013); Joshi, T., et al.: Brit. J. Pharmacol., 172, 1360 (2015);

Stability Light Sensitive
Applications A metabolite of Diethylstilbestrol.
References Liehr, J.G., et al.: Steroids, 40, 713 (1982),

Impurity Progesterone EP Impurity A
Applications Pregna-4,14-diene-3,20-dione (Progesterone EP Impurity A) is a Progesterone derivative
References Wilks, J., et al.: Steroids, 35, 697 (1980), Templeton, J., et al.: J. Med. Chem., 30, 1502 (1987), Blackmore, P., et al.: Mol. Pharmacol., 49, 727 (1996),

Soluble in Chloroform & in Methanol Confirmed
Insoluble in Water

Soluble in Chloroform & in Methanol Confirmed
Insoluble in Wate

Calcipotriol EP Impurity E is a synthetic impurity that is found in the calcipotriol EP API. Calcipotriol EP Impurity E is an impurity standard for HPLC and can be used in drug development, research and development, and pharmacopoeia. It has been shown to have no significant effect on the pharmacological activity of calcipotriol EP.