Sulphur and selenium compounds play vital roles in biological systems, serving as components of amino acids, enzymes, and antioxidants.

CAS Number
58-38-8
Alternate CAS Number
84-02-6 (Dimaleate Salt); 60-90-2 (HCl Salt); 51888-09-6 (Dimesylate salt) ;1257-78-9 (Edisylate salt)
CAS Number
16595-80-5
Alternate CAS Number
14769-73-4(Freebase);32093-35-9(Phosphate salt)
CAS Number
100986-85-4
Alternate CAS Number
138199-71-0(Hemihydrate Salt)
CAS Number
7104-38-3
Alternate CAS Number
60-99-1(Free Base);1236-99-3(HCl Salt)
CAS Number
134678-17-4
Alternate CAS Number
173522-96-8(Salicylate Salt)