Steroids and Derivatives

Applications Testosterone (T155000) derivative.

Impurity Atorvastatin 2-Hydroxy Lactone
Stability Hygroscopic
Applications A 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.

Impurity Budesonide EP Impurity J
Applications 9α-Bromobudesonide (Budesonide EP Impurity J) is an impurity of Budesonide (B689460), a non-halogenated glucocorticoid intended for the local treatment of lung disease.
References Ryrfeldt, Å., et al.: Eur. J. Respir. Dis., 122, 86 (1981); Vestbo, J., et al.: Lancet, 353, 1819 (1999)

Applications 17α-Hydroxy-progesterone Valerate acts as a synthetic Progesterone (P755900) reducing the chance of pre-term birth in women. Progesterone is a steroid hormone produced by the corpus luteum. Induces maturation and secretory activity of the uterine endothelium; suppresses ovulation
References Anderson, E., et al.: Breast Cancer Res., 4, 197 (2002), Lanari, C., et al.: Breast Cancer Res., 4, 240 (2002), Albrecht, E.D., et al.: Front. Biosci., 8, 416 (2003), Qiu, M., et al.: J. Steroid Biochem. Mol. Biol., 85, 147 (2003),

Applications 6α-Spiro[androsta-1,4-diene-6,2'-oxiran]-3,17-dione is a metabolite of exemestane (E957000). Exemestane is an antineoplastic (hormonal).
References Giudici, D., et al.: J. Steroid Biochem., 30, 391 (1988), Evans, T.R.J., et al.: Cancer Res., 52, 5933 (1992), Zilembo, N., et al.: Brit. J. Cancer, 72, 1007 (1995)

Applications (3α)-Allopregnanolone 3-β-D-Glucuronide is the glucuronide conjugate of (3α)-Allopregnanolone (A547100), metabolite of progesterone and potent positive modulator of GABAA receptors.
References Martin, F. et al.: LJ Steroid Biochem., 6, 1339 (1975); Lin, M.T. et al.: Steroids, 32, 547 (1978);

Applications 17-Hydroxypregn-5-ene-3,20-dione is used in the synthesis of physiologically active steroid esters and spirolactones that functions as potential aldosterone antagonists.
References Seletskii, B. M., et al.: Croat. Chem. Acta. , 58, 699 (1986)

Applications Testosterone Isocaproate, is one of the common anabolic steroid esters. It is a controlled substance in US due to their potential for abuse and misuse. It can be used for the treatment of constitutional delayed puberty (CDP), in combination of other testosterone esters.
References Noggie, F. T., et al.: J. Chromatography. Sci., 28 (5), 263 (1990); Buyukgebiz, A., et al.: Hormone REs., 44 Suppl 3, 32 (1995);

Applications 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),

Applications Controlled substance.

Applications E-Ospemifene is the E-isomer of Ospemifene (O703000) and is useful for lowering serum cholesterol. It acts as a antiatherosclerotic and is also estrogen-like.
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 Sodervall, M., et al.: PCT Int. Appl. WO 9942427 A1 19990826. Aug 26, 1999

Applications A metabolite of Finasteride (F342000) in human bile (M2 metabolite).
References Faller, B., et al.: Biochemistry, 32, 5705 (1993), Carlin, J.R., Drug Metab. Dispos., 25, 100 (1997), Bergman, E., et al.: Eur. J. Pharm. Sci., 29, 205 (2006),

Applications Obeticholic Acid Methyl Ester is a bile acid derivative useful in research.
References Pellicciari, R., et al.: Journal of Medicinal Chemistry, 50, 4265 (2007)

Applications 2-Hydroxy Estradiol 6-N3-Adenine is a depurinating adduct that is created by the interaction of specific metabolites of estrogens in the body with DNA. Unfortunately, these adducts are endogeneous initiators of various human cancers, such as breast & prostate.
References Yang, L., et al.: Prostate, 69, 41 (2009); Zahid, M., et al.: Chem. Res. Toxicol., 19, 164 (2006); Zhang, Y., et al.: Metabol. Clin. Exp., 56, 887 (2007)

Stability Not stable in Acidic or basic condition
Applications 6β-Methyl Fluorometholone is an impurity in the synthesis 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),

Impurity Dutasteride EP Impurity F
Applications 1-Chloro Dihydro Dutasteride (Dutateride EP Impurity F) is a 3-oxo-4-aza-5α-androstene-17β-carboxylic acid derivative and an impurity of Dutasteride (D735000).