21-Dehydro Betamethasone (mixture of the aldehyde and the hydrated form)

CAS: 61558-12-1

Ref. TR-D229285

Product Information

• Name: 21-Dehydro Betamethasone (mixture of the aldehyde and the hydrated form)
• Synonyms: Pregna-1,4-dien-21-al, 9-fluoro-11,17-dihydroxy-16-methyl-3,20-dioxo-, (11β,16β)-, (11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al, 9-Fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-21-al, Betamethasone-21-aldehyde, 21-Dehydro Betamethasone, 21-Dehydrobetamethasone
• Brand: TRC
• Description: Applications 21-Dehydro Betamethasone is an impurity of Betamethasone (B327000), a corticosteroid used as an anti-inflammatory agent.References Chen, B., et al.: Steroids, 74, 30 (2009); Li, M., et al.: J. Pharm. Sci., 98, 894 (2009); Xiong, Y., et al.: J. Pharm. Biomed. Anal., 49, 646 (2009)

Chemical properties

• Molecular weight: 390.45
• Formula: C₂₂H₂₇FO₅
• Color/Form: Neat
• InChI: InChI=1S/C22H27FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,11-12,15-17,26,28H,4-5,8,10H2,1-3H3/t12-,15-,16-,17-,19-,20-,21-,22-/m0/s1
• InChI key: InChIKey=RSSFVTGCZWJQLS-CCCBXBDASA-N
• SMILES: C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]2(C)[C@@]1(O)C(=O)C(O)O.C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]2(C)[C@@]1(O)C(=O)C=O