Betamethasone Acetate EP Impurity C
[CAS# 330157-05-6]

Identification

• Name: Betamethasone Acetate EP Impurity C
• Synonyms: Betamethasone 11,21-diacetate;[2-[(8S,9R,10S,11S,13S,14S,16S,17R)-11-acetyloxy-9-fluoro-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
• Molecular Formula: C₂₆H₃₃FO₇
• Molecular Weight: 476.53
• CAS Registry Number: 330157-05-6
• EC Number: 641-861-8
• SMILES: C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)COC(=O)C)O)C)OC(=O)C)F)C

Properties

• Density: 1.3±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.555, Calc.^*
• Boiling Point: 583.4±50.0 ºC (760 mmHg), Calc.^*
• Flash Point: 306.6±30.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302+H312+H332-H315-H319
• Precautionary Statements: P261-P271-P280-P302+P352-P305+P351+P338