Pregn-4-ene-3,20-dione,17-hydroxy-, (17a)-

Molecular Structure of 17alpha-Hydroxyprogesterone (CAS No.604-09-1):

Molecular Formula: C₂₁H₃₀O₃
Molecular Weight: 330.46
CAS No: 604-09-1
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 2
Polar Surface Area: 43.37 Å²
Index of Refraction: 1.56
Molar Refractivity: 92.52 cm³
Molar Volume: 286 cm³
Surface Tension: 46.5 dyne/cm
Density: 1.15 g/cm³
Flash Point: 259.9 °C
Enthalpy of Vaporization: 86.18 kJ/mol
Boiling Point: 482.9 °C at 760 mmHg
Vapour Pressure: 2.37E-11 mmHg at 25°C
IUPAC Name: (8R,9S,10R,13S,14S,17S)-17-Acetyl-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one 
InChI: InChI=1/C₂₁H₃₀O₃/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h12,16-18,24H,4-11H2,1-3H3/t16-,17+,18+,19+,20+,21+/m1/s1
InChIKey: DBPWSSGDRRHUNT-CEGNMAFCBF
Std. InChI: InChI=1S/C₂₁H₃₀O₃/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h12,16-18,24H,4-11H2,1-3H3/t16-,17+,18+,19+,20+,21+/m1/s1
Std. InChIKey: DBPWSSGDRRHUNT-CEGNMAFCSA-N

Hazard Codes: T
Risk Statements: 61
R61:May cause harm to the unborn child.
Safety Statements: 53-22-36/37/39-45
S53:Avoid exposure - obtain special instructions before use. 
S22:Do not breathe dust. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: TU5060000

  17alpha-Hydroxyprogesterone (CAS No.604-09-1), its synonyms are 17alpha-Hydroxypregn-4-ene-3,20-dione ; 17a-Hydroxypregn-4-ene-3,20-dione ; 17alpha-Hydroxypregn-4-ene-3,20-dione ; 17-Hydroxypregn-4-en-3,20-dione ; 4-Pregnen-17.alpha.-ol-3,20-dione .