Catalogue Number: | D-186 |
Compound Name: | Doxycycline EP Impurity A (6-epi Doxycycline) |
Synonyms: | (4S,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide |
CAS#: | 3219-99-6 |
Alternate CAS#: | 41411-66-9 (HCl Salt) |
Molecular Formula: | C22H24N2O8 |
Molecular Weight: | 444.44 |
Doxycycline EP Impurity F (Mixture of Tautomeric Isomers)
CAS No. 122861-53-4 (enol form); 1639993-98-8 (keto form)
C23H25NO8
M.W. 443.45