Basic information
- Name:
Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)-
- Superlist Name:
- 3,20-Dioxopregna-1,4,9(11),16-tetraen-21-yl acetate
- CAS No.:
37413-91-5
- Molecular Structure:
- Formula:
- C23H26O4
- Molecular Weight:
- 366.46
- Synonyms:
- 1,4,9(11),16-Pregnatetraene-21-ol-3,20-Dione-21-Acetate(3TR);Pregna-1,4,9(11),16-tetraene-3,20-dione,21-hydroxy-, acetate (6CI,7CI);21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione;Tetraene Acetate;
- EINECS:
- 253-497-3
- Density:
- 1.211 g/cm3
- Boiling Point:
- 534.568 °C at 760 mmHg
- Flash Point:
- 233.008 °C
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Chemistry
Molecule structure of Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)- (CAS NO.37413-91-5):
Molecular Formula: C23H26O4
Molecular Weight: 366.46 g/mol
Index of Refraction: 1.585
Molar Refractivity: 101.394 cm3
Molar Volume: 302.712 cm3
Surface Tension: 48.058 dyne/cm
Density: 1.211 g/cm3
Flash Point: 233.008 °C
Enthalpy of Vaporization: 81.081 kJ/mol
Boiling Point: 534.568 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25 °C
EINECS of Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)- (CAS NO.37413-91-5): 253-497-3
Uses
Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)- (CAS NO.37413-91-5) is used for dexamethasone, betamethasone, triamcinolone intermediate.
Specification
Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)- (CAS NO.37413-91-5) is also named as 21-Hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate ; 3,20-dioxopregna-1,4,9(11),16-tetraen-21-yl acetate ; Pregna-1,4,9(11),16-tetraen-21-ol-3,20-dione 21-acetate ; 21-Acetoxypregna-1,4,9(11),16-tetrene-3,20-dione ; 3,20-Dioxopregna-1,4,9(11),16-tetrene-21-ol acetate .