Preparation of steroids

Introduced: January 1980

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

Navigate with arrow keys, Enter to open

C12P 33/005 CPC only CPC only
C12P 33/02 Dehydrogenating; Dehydroxylating since 1980 IPC+CPC Available in IPC and CPC
C12P 33/06 Hydroxylating since 1980 IPC+CPC Available in IPC and CPC
C12P 33/12 Acting on D ring since 1980 IPC+CPC Available in IPC and CPC
C12P 33/20 containing heterocyclic rings since 1980 IPC+CPC Available in IPC and CPC