Steroids

Applications Flugestone is a progestogen and is used as intravaginal sponges/equine chorionic gonadotropins. References Wei, S.; Journal of Applied Animal Research, 44, 466 (2016)

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications Ethynyl Estradiol-13C2 is isotope labelled version of Ethynyl Estradiol (E685100) which can be used in biological and analytical studies of simultaneous determination of UV-​filters and estrogens in aquatic invertebrates by modified Quick, Easy, Cheap, Effective, Rugged, and Safe extraction and liquid chromatography tandem mass spectrometry. References 1. Koetsawang, S. et al.: Contraception. 1982 March:25(3) p231-2412. Cuttler, L. et al.: J. Endocrinol. Metab. 1985 Jun;60(6):1087-92.

Precyasterone is a natural compound extracted from the dried roots of Cyathula capitata.

Lactone

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 Labelled Boldenone, an anabolic steroid. Controlled substance. References Watanabe, K., et al.: J. Appl. Bacteriol., 62, 151 (1987), Liu, W., et al.: J. Ind. Microbiol., 13, 167 (1994), Barthakur, S., et al.: J. Basic Microbiol., 36, 383 (1996), Grinenko, G., et al.: Pharmaceut. Chem. J., 36, 510 (2002), de Brabander, H., et al.: Food Addit. Contam., 21, 515 (2004),

Tenacissoside G, a C21 steroid derived from the stems of Marsdenia tenacissima, can reverse multidrug resistance in cancer cells exhibiting overexpression of P-

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Betamethasone is a synthetic corticosteroid, which is an analogue of a glucocorticoid sourced from adrenal cortex hormones. Its mode of action involves modulating the immune response by inhibiting the release of substances in the body that cause inflammation. This is achieved through its binding affinity to glucocorticoid receptors, leading to transcriptional changes that suppress pro-inflammatory cytokine production and other mediators of inflammation. The applications of Betamethasone are extensive due to its potent anti-inflammatory and immunosuppressive properties. It is primarily used in the treatment of various inflammatory conditions, including dermatological disorders such as eczema and psoriasis, as well as rheumatologic conditions like rheumatoid arthritis. Additionally, Betamethasone is employed in certain allergic reactions and as a part of the regimen for certain autoimmune diseases. Its versatility in topical, oral, and injectable forms allows for targeted therapeutic strategies tailored to patient-specific needs, particularly where high-potency corticosteroid intervention is warranted to mitigate severe pathological inflammation.

Applications A labelled 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),

Stability Hygroscopic Applications 4-Hydroxy Estrone 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),

Natural glycoside

Stability Hygroscopic, Temperature Sensitive Applications (6α,11β)-11,20-Dihydroxy-6-methyl-3-oxopregna-1,4,17(20)-trien-21-al is an impurity of Methylprednisolone( M325934). References Solomun, L. et al.: J. Serb. Chem. Soc., 75, 1441 (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),

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),

Applications Δ6-Gestodene, is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. References Duesterberg, B., et al.: Contraception, 24, 673 (1981); Duesterberg, B., et al.: Seroids, 43, 43 (1984); Losert, W., et al.: Arzneim.-Forsch., 35, 459 (1985);

Applications Nandrolone 17-Propionate is an anabolic steroid. References Lyden, Eva., et al.: Metabolism, 44, 445 (1995); Hadef, Y., et al.: J. Chromatogr., 1190, 278 (2008)

Impurity Rocuronium EP Impurity F Applications 2-Pyrrolidinyl-3-acetyl Desmorpholinylrocuronium Bromide (Rocuronium EP Impurity F) is an impuritiy of Rocuronium bromide (R639500), an aminosteroid and a competitive neuromuscular blocker. References Srinivasan, N., et al.: Oriental. J. Chem., 24, 989 (2008); Magorian, T., et al.: Anesthesiology, 79, 913 (1993); Wicks, T.C., et al.: J. Am. Assoc. Nurse Anesth., 62, 33 (1994)

Natural alkaloid

Applications A labelled 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),

Applications Clobetasol 17-Propionate-d5 is labelled Clobetasol 17-Propionate (C583500) which is a topical corticosteroid. Clobetasol 17-Propionate (C583500) is anti-inflammatory. References Olsen, E.A., et al.: J. Am. Acad. Dermatol., 15, 246 (1986),

Applications Tauro 6-Ethlchenodeoxycholic Acid-d5 Sodium Salt is the labelled version of Tauro 6-Ethlchenodeoxycholic Acid Sodium Salt (T009025) which can be otained from 6-Ethylchenodeoxycholic Acid (E899810), a derivative of the bile acid Chenodeoxycholic Acid (C291900). 6-Ethylchenodeoxycholic Acid (E899810) is a potent activator of the farnesoid X nuclear receptor which reduces liver fat and fibrosis in animal models of fatty liver disease. References Neuschwander-Tetri, B.A., et al.: Lancet., 385, 956 (2015)

Taurohyodeoxycholic acid (THDCA) is a bile acid.THDCA reduces TNF-α and IL-6 and CD36 and up-regulating CYP7B1 and down-regulating CYP7A1 in HCC liver.

Applications 3-epi-Deoxycholic Acid-d5 is a labelled analogue of 3-Epideoxycholic Acid. 3-epi-Deoxycholic Acid-d5 is an intermediate in synthesizing Deoxycholic Acid-d5 (D232647), which is a labelled Cholic Acid (C432600) derivative used as a component in cell lysis buffers. References Tuangtong, R. et al.: Dermatol. Surg., 36, 899 (2010); Araki, Y. et al.: Scand. J. Gast., 36, 533 (2001);

Applications A metabolite of Estradiol. References Bucala, R., et al.: J. Clin. Endocrinol. Metab., 60, 841 (1985), Telang, N., et al.: Anticancer Res., et al.: 11, 1021 (1991), Seeger, H., et al.: Med. Sci. Res., 26, 481 (1998), Bolton, J., et al.: Chem. Res. Toxicol., 13, 135 (2000),

Isodeoxycholic Acid, an epimer of deoxycholic acid by gut bacteria, has lower detergent activity and inhibits C. difficile germination and toxicity.

Oxygen-heterocyclic compound

Steroid hormone