C14H11N
193.24 g/mol
Pharmaceutical IntermediateWarning
Iminostilbene
CAS256-96-2EC205-970-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Iminostilbene is a chemical compound consisting of two benzene rings fused to an azepine ring. It serves as a key structural scaffold in the synthesis of several pharmaceuticals, including carbamazepine and oxcarbazepine.
pharmaceutical intermediate for dibenzazepine drugsbuilding block in drug manufacturing
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
ReferenceSame Category
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ReferenceSame Category
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ReferenceSame Category
4-Bromotetrahydropyran
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pharmaceutical intermediate
Referencesame scaffold
Carbamazepin
CAS298-46-4
pharmaceutical raw material
Referencesame scaffold
Dibenz[b,f]azepine-5-carbonyl chloride
CAS33948-22-0
pharmaceutical intermediate
Referencesame scaffold
5-Nitroso-5H-dibenzo[b,f]azepine
CAS38652-29-8
research compound
Referencesame scaffold
10-methoxyiminostilbene
CAS4698-11-7
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Iminostilbene (CAS 256-96-2) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
11H-benzo[b][1]benzazepine
InChIKey
LCGTWRLJTMHIQZ-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=CC3=CC=CC=C3N2
Synonyms (29)
- 5H-dibenzo[b,f]azepine;Oxcarbazepine EP IMpurity E;
- Carbamazepine EP Impurity D; Oxcarbazepine EP Impurity E; Iminostilbene
- (Z)-5H-Dibenzo[b,f]azepine
- 11H-benzo[b][1]benzazepine
- 2,2'-Iminostilbene
- 2,3,6,7-Dibenzazepine
- 2,6,7-Dibenzazepine
- 5H-Dibenz[b,f]azepin
- 5H-Dibenz[b,f]azepine
- 5H-Dibenzo[b,f]azepine
- 5H-dibenzazepine
- CARBAMAZEPINE IMPURITY D
- Dibenz(b,f)azepine
- Dibenzazepine
- Iminostilbene
- Iminostilbene (Standard)
- OXCARBAZEPINE IMPURITY E
- Oxcarbazepine Impurity 10
- Stilbene, 2,2'-imino-
- Stilbene,2'-imino-
- dibenzo[b,f]azepine
- o,o'-Iminostilbene
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