Beclomethasone-∆17,20 21-Aldehyde Price Not Available 25mg Beclomethasone-∆17,20 21-Aldehyde Supplier Page Catalog Number R051063 Molecular Formula C22H27ClO4 CAS# 1174035-77-8 Purity ≥98% Inchi InChI=1S/C22H27ClO4/c1-12-8-16-15-5-4-13-9-14(25)6-7-21(13,3)22(15,23)18(27)10-20(16,2)19(12)17(26)11-24/h6-7,9,11-12,15-16,18,26-27H,4-5,8,10H2,1-3H3/b19-17-/t12-,15-,16-,18-,20-,21-,22-/m0/s1 Inchi Key YBCQMVHDVBRVFB-NIQJDLCESA-N SMILES CC1CC2C3CCC4=CC(=O)C=CC4(C3(C(CC2(C1=C(C=O)O)C)O)Cl)C Size 25mg Supplier Page https://www.musechem.com/product/R051063.html