CAS Number: 11056-06-7
Chemical Name: Bleomycin
Molecular Formula: C55H84N17O21S3
Molecular Weight: 1415.55

CAS Number: 49830-49-1
Chemical Name: Bleomycin A2 Chloride
Molecular Formula: C55H84ClN17O21S3
Molecular Weight: 1451.01

CAS Number: 9060-10-0
Chemical Name: Bleomycin B2
Molecular Formula: C55H84N20O21S2
Molecular Weight: 1425.52