10H-Thieno[2,3-b][1,5]benzodiazepin-4-amine, 2-methyl-, hydrochloride (1:1)

10H-Thieno[2,3-b][1,5]benzodiazepin-4-amine, 2-methyl-, hydrochloride (1:1)—often referred to in chemical literature as 4-amino-2-methyl-10H-thieno[2,3-b][1,5]benzodiazepine hydrochloride (CAS 138564-60-0)—is the primary key intermediate in the synthesis of the atypical antipsychotic medication Olanzapine.

API Name Olanzapine
CAS No 138564-60-0
Molecular Formula C12H12ClN3S
Molecular Weight 265.76 g/mol
Synonyms 2-methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-amine;hydrochloride

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