17-cyano-9,17-dihydroxyandrost -4-ene-3-one (cas 116256-35-0)

17-cyano-9,17-dihydroxyandrost -4-ene-3-one 17-Cyano-9,17-dihydroxyandrost-4-ene-3-one Comprehensive Information Table ​Category ​Details ​Chemical Name 17β-Cyano-9α,17α-dihydroxyandrost-4-ene-3-one ​CAS Number 116256-35-0 ​Synonyms 17β-Cyano-9α,17α-dihydroxyandrost-4-ene-3-one, Androst-4-ene-17-carbonitrile, 9α,17α-dihydroxy-3-oxo-, (17α)- ​Chemical Formula C₂₀H₂₇NO₃ ​Molecular Weight 329.43 ​EINECS Number 601-418-1 ​Melting Point 229–230°C ​Boiling Point 537.1°C (calculated) ​Density 1.24 g/cm³ (calculated) ​Storage Conditions Sealed in dry, stored at 2–8°C ​Solubility Sparingly soluble in chloroform and ethyl acetate; slightly soluble in methanol; water solubility 1.01 mg/L (20°C) ​Appearance Off-white to pale yellow solid ​Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) ​Applications ​Pharmaceutical Intermediate: Key precursor for synthesizing glucocorticoids and antiandrogenic drugs.Research Use: Steroid metabolism studies and antineoplastic drug development. ​Quality Control – ​HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– ​Impurity Limits: Total impurities ≤0.5%. ​Synthesis Pathway 1. ​Hydroxylation: Introduction of 9α and 17α hydroxyl groups to androst-4-ene-3,17-dione via microbial or chemical methods.2. ​Cyanation: Conversion of the 17α-hydroxyl group to a cyano group using trimethylsilyl cyanide or cyanation reagents. ​Safety Information ​Hazard Codes: Xi (Irritant)Risk Statements: R36/37/38 (Irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation of dust), S24/25 (Avoid contact with skin and eyes) ​MSDS Material Safety Data Sheet available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).