busulfan and its Impurities
Busulfan is a cancer drug, in use since 1959. It is a cell cycle non-specific alkylating antineoplastic agent, in the class of alkyl sulfonates.. Reference standards of Busulfan API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


Ethyl 4-hydroxybutane-1-sulfonate compound with isopropyl 4-hydroxybutane-1-sulfonate and methyl 4-hydroxybutane-1-sulfonate (1:1:1)
Ethyl 4-hydroxybutane-1-sulfonate compound with isopropyl 4-hydroxybutane-1-sulfonate and methyl 4-hydroxybutane-1-sulfonate (1:1:1)
Catalogue No.:PA 02 82600
CAS :
NA
Molecular Formula : C6H14O4S + C7H16O4S + C5H12O4S
Molecular Weight : 182.23


Diethyl 4,4'-oxybis(butane-1-sulfonate) compound with diisopropyl 4,4'-oxybis(butane-1-sulfonate) and dimethyl 4,4'-oxybis(butane-1-sulfonate) (1:1:1)
Diethyl 4,4'-oxybis(butane-1-sulfonate) compound with diisopropyl 4,4'-oxybis(butane-1-sulfonate) and dimethyl 4,4'-oxybis(butane-1-sulfonate) (1:1:1)
Catalogue No.:PA 02 82610
CAS :
NA
Molecular Formula : C10H22O7S2 + C12H26O7S2 + C14H30O7S2
Molecular Weight : 318.4