C14H10O2
210.23 g/mol
Pharmaceutical IntermediateDanger
Dibenz[b,e]oxepin-11(6H)-one
CAS4504-87-4EC224-820-5
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Dibenz[b,e]oxepin-11(6H)-one is a pharmaceutical intermediate used in the synthesis of doxepin. Its structure has been characterized by X-ray crystallography, confirming a tricyclic system with an ether bridge.
pharmaceutical intermediate for doxepin synthesis
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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Related Compounds
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pharmaceutical intermediate
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pharmaceutical intermediate
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(4S)-4-AMINO-5-(TERT-BUTOXY)-5-OXOPENTANOIC ACID
CAS45120-30-7
pharmaceutical intermediate
Referencesame scaffold
Isoxepac
CAS55453-87-7
pharmaceutical raw material
Referencesame scaffold
Methyl 6,11-dihydro-11-oxo-dibenz[b,e]oxepin-2-acetate
CAS55689-64-0
research compound
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Dibenz[b,e]oxepin-11(6H)-one (CAS 4504-87-4) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
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
6H-benzo[c][1]benzoxepin-11-one
InChIKey
YUSHFLBKQQILNV-UHFFFAOYSA-N
SMILES
C1C2=CC=CC=C2C(=O)C3=CC=CC=C3O1
Synonyms (17)
- DOXEPIN HYDROCHLORIDE IMPURITY A (EP IMPURITY)
- Doxepin EP Impurity A
- 6H-Dibenzo[b,e]oxepin-11-one
- DOXEPIN IMPURITY A
- Dibenz[b,e]oxepin-11(6H)-one
- Dibenzo[b,E]oxepin-11(6H)-one
- Doxepin Impurity 7
- Doxepinone
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