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Home/Compounds/API/Ly-301664
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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CAS 221176-49-4

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Related Compounds

ReferenceSame Category

4-Amino-5-chloro-2-methoxy-N-(3-methoxypiperidin-4-yl)benzene-1-carboximidic acid--hydrogen chloride (1/1)

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pharmaceutical raw material

ReferenceSame Category

Orforglipron

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ReferenceSame Category

AOD 9604

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pharmaceutical raw material

ReferenceSame Category

Olanzapine pamoate hydrate

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pharmaceutical raw material

Safety Reference

Harmful
Harmful
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