Monoethyl Fumarate (Quetiapine Impurity R)
CAS No. 2459-05-4
C6H8O4
M.W. 144.13

Quetiapine-d8 Fumarate
CAS No. 773058-82-5 (non-labelled); 1435938-24-1 (Hemifumarate)
C21H17N3O2SD8. C4H4O4
M.W. 391.56 116.07

Quetiapine-d4 Hemifumarate
CAS No. 1217310-65-0
C21H21D4N3O2S. 0.5 C4H4O4
M.W. 387.53 0.5*116.07

Quetiapine Impurity D HCl (Quetiapine O-Ethanol Impurity HCl)
CAS No. 329216-69-5 (free base)
C23H29N3O3S. HCl
M.W. 427.57 36.46

Quetiapine EP Impurity E
CAS No. 1371638-05-9
C40H44N6O2S2
M.W. 704.95

Quetiapine Related Compound (Phenyl-2-(phenyl thio)phenyl carbamide)
CAS No. 111974-73-3
C19H15NO2S
M.W. 321.39

Quetiapine Impurity 15 (2-Aminodiphenyl Sulfide)
CAS No. 1134-94-7
C12H11NS
M.W. 201.29

Quetiapine EP Impurity G
CAS No. 3159-07-7
C13H9NOS
M.W. 227.28

Quetiapine EP Impurity Q Chloride HCl
C25H34N3O4S. Cl. HCl
M.W. 472.63 35.45 36.46

Quetiapine EP Impurity S DiHCl (Quetiapine Sulfoxide DiHCl)
CAS No. 329218-11-3
C21H25N3O3S. 2 HCl
M.W. 399.52 2*36.46

Quetiapine EP Impurity F
CAS No. 848814-27-7
C21H27N3O3S
M.W. 401.53

Quetiapine Impurity 3
CAS No. 1011758-06-7
C23H29N3O2S
M.W. 411.57

Quetiapine EP Impurity A DiHCl (Quetiapine O-Acetyl Impurity DiHCl)
C23H27N3O3S. 2 HCl
M.W. 425.55 2*36.46
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