C9H7NO2
161.16 g/mol
Pharmaceutical IntermediateWarning
2-Methyl-4H-3,1-benzoxazin-4-one
CAS525-76-8EC208-381-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Methyl-4H-3,1-benzoxazin-4-one is a chemical compound used as a pharmaceutical intermediate. It features a bicyclic structure containing an aromatic ring fused to a heterocyclic ring.
Pharmaceutical intermediate
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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Referencesame scaffold
Cetilistat
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pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Methyl-4H-3,1-benzoxazin-4-one (CAS 525-76-8) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methyl-3,1-benzoxazin-4-one
InChIKey
WMQSKECCMQRJRX-UHFFFAOYSA-N
SMILES
CC1=NC2=CC=CC=C2C(=O)O1
Synonyms (13)
- 1M-711
- 2-Methyl-3,1-benzoxaza-4-one
- 2-methyl-3,1-benzoxazin-4-one
- 2-methyl-4oxo-3,1-benzoxazine
- 4H-3, 2-methyl-
- Acetanthranil
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