Dexamethasone 21-mesylate
[CAS 2265-22-7]

Identification

• Name: Dexamethasone 21-mesylate
• Synonyms: [2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-Dihydroxy-10,13,16-Trimethyl-3-Oxo-6,7,8,11,12,14,15,16-Octahydrocyclopenta[A]Phenanthren-17-Yl]-2-Oxo-Ethyl] Methanesulfonate; Methanesulfonic Acid [2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-Dihydroxy-10,13,16-Trimethyl-3-Oxo-6,7,8,11,12,14,15,16-Octahydrocyclopenta[A]Phenanthren-17-Yl]-2-Oxoethyl] Ester; Methanesulfonic Acid [2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-Dihydroxy-3-Keto-10,13,16-Trimethyl-6,7,8,11,12,14,15,16-Octahydrocyclopenta[A]Phenanthren-17-Yl]-2-Keto-Ethyl] Ester
• Molecular Formula: C₂₃H₃₁FO₇S
• Molecular Weight: 470.55
• CAS Registry Number: 2265-22-7
• SMILES: [C@H]34[C@H]2[C@@](F)([C@@]1(C(=CC(=O)C=C1)CC2)C)[C@@H](O)C[C@@]3([C@](O)([C@@H](C4)C)C(=O)CO[S](=O)(=O)C)C
• InChI: 1S/C23H31FO7S/c1-13-9-17-16-6-5-14-10-15(25)7-8-20(14,2)22(16,24)18(26)11-21(17,3)23(13,28)19(27)12-31-32(4,29)30/h7-8,10,13,16-18,26,28H,5-6,9,11-12H2,1-4H3/t13-,16+,17+,18+,20+,21+,22+,23+/m1/s1
• InChIKey: ATNWRUJPJUBMHC-HOGMHMTRSA-N

Properties

• Density: 1.384g/cm³ (Cal.)
• Boiling point: 652.294°C at 760 mmHg (Cal.)
• Flash point: 348.295°C (Cal.)