17 Alpha Hydroxyprogesterone Chemical name: 17-alpha-hydroxypregn-4-ene-3,20-dione: C21H30O3 pondus hypotheticum: 330.47 CAS NO.: 68-96-2 Aspectus: Album vel fere album crystallinum pulveris Asssay: ≥99.0% punctum liquescens: ≥214°C