| Catalogue Number: | O-0136 | 
| Compound Name: | Olanzapine EP Impurity C | 
| Synonyms: | 1-(chloromethyl)-1-methyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium, chloride (1:1) | 
| CAS#: | 719300-59-1 | 
| Alternate CAS#: | 735264-27-4 (free form) | 
| Molecular Formula: | C18H22ClN4S. Cl | 
| Molecular Weight: | 361.91 35.45 | 
Olanzapine EP Impurity A (Olanzapine USP Related Compound A)
CAS No. 138564-59-7
C12H9N3O2S
M.W. 259.28
Olanzapine EP Impurity D (Olanzapine USP Related Compound C, Olanzapine N-Oxide (Piperazine N1-Oxide))
CAS No. 174794-02-6
C17H20N4OS
M.W. 328.43
Olanzapine EP Impurity B (Olanzapine USP Related Compound B, Olanzapine Amide)
CAS No. 221176-49-4
C12H10N2OS
M.W. 230.29
Olanzapine Thiohydroxymethylidene (Hydroxymethylidene Thione)
CAS No. 1320360-86-8
C15H18N4OS
M.W. 302.40