CAS Number: 22465-48-1
Chemical Name: Hydroxocobalamin Acetate
Molecular Formula: C64H93CoN13O17P
Molecular Weight: 1406.41

CAS Number: 20623-13-6
Chemical Name: Nitritocobalamin
Molecular Formula: C62H88CoN14O16P
Molecular Weight: 1375.35

CAS Number: 15671-27-9
Chemical Name: Sulphitocobalamin
Molecular Formula: C62H89CoN13O17PS
Molecular Weight: 1410.42