C12H10N2OS
230.29 g/mol
APIWarning
2-methyl-5,10-dihydro-4h-thieno[2,3-b][1,5]benzodiazepin-4-one
CAS221176-49-4EC629-926-9
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
This compound is an active pharmaceutical ingredient impurity associated with the production of certain drugs. Its structure contains an amide and an amine group within a fused ring system, indicating it is a small-molecule impurity relevant to pharmaceutical manufacturing.
Reference standard for impurity analysis in pharmaceutical manufacturingUsed in quality control testing of active pharmaceutical ingredients
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H335May cause respiratory irritation
Identifiers
IUPAC Name
2-methyl-5,10-dihydrothieno[3,2-c][1,5]benzodiazepin-4-one
InChIKey
LVTDAJJOMLNXFS-UHFFFAOYSA-N
SMILES
CC1=CC2=C(S1)NC3=CC=CC=C3NC2=O
Synonyms (18)
- OLANZAPINE IMPURITY B (EP IMPURITY)
- Olanzapine EP Impurity B; Olanzapine USP Rc B
- OLANZAPINE IMPURITY B
- Olanzapine-lactam
- Olanzapine-related Compound B
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