CAS Number: 5490-27-7
Chemical Name: Dihydrostreptomycin Sesquisulfate
Molecular Formula: C21H41N7O12 ·3/2H2SO4
Molecular Weight: 730.71

CAS Number: 3810-74-0
Chemical Name: Streptomycin Sulfate
Molecular Formula: C21H43N7O20S2
Molecular Weight: 777.73