Androsta-1,4-diene-17-carboxylicacid, 6,9-difluoro-11,17-dihydroxy-16-methyl-3-oxo-, (6a,11b,16a,17a)-

Molecular Structure:

Molecular Formula: C₂₁H₂₆F₂O₅
Molecular Weight: 396.4249
Systematic Name: (6alpha,11beta,16alpha,17alpha)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid 
Synonyms of (6a,11b,16a,17a)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid (CAS NO.28416-82-2): Androsta-1,4-diene-17-carboxylic acid,6,9-difluoro-11,17- dihydroxy-16-methyl-3-oxo-,(6α,11β,16α,17α)- ; 6a,9a-Difluoro-1117a-dihydroxy-3-oxoandrosta-1,4-diene-17carboxylic Acid Discontinued see product # F599490 ; 6a,9a-Difluoro-11b,17a-dihydroxy-16a-methylpregna- 3-oxo-1,4-diene-17b-carboxylic Acid ; Fluticasone 17b-Carboxylic Acid
CAS NO: 28416-82-2
Product Categories: Intermediates & Fine Chemicals ; Pharmaceuticals ; Steroids
Melting point: 303-305 °C
Index of Refraction: 1.585
Molar Refractivity: 95.703 cm³
Molar Volume: 285.61 cm³
Surface Tension: 55.452 dyne/cm
Density: 1.388 g/cm³
Flash Point: 297.582 °C
Enthalpy of Vaporization: 97.992 kJ/mol
Boiling Point of (6a,11b,16a,17a)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid (CAS NO.28416-82-2): 568.44 °C at 760 mmHg

  (6a,11b,16a,17a)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid (CAS NO.28416-82-2) is used as fluticasone intermediate and anti-inflammatory agent.