IsotretinoinIsotretinoin(USP) 
CAS #: 4759-48-2 
[Molecular Formula]:C20H28O2 
[Description]:yellow crystalline powder. 
[Quality Index]: 
Loss on drying:0.5% 
Residue on ignition:0.1% 
Heavy metalsl:0.002% 
Assay:99% 
[Use]: The dissolved agent of keratin 
[Packing]: Aluminum foil bag filled with nitrogen with outer aluminum can