Home/Compounds/Pharmaceutical Intermediate/8-chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-one
C14H10ClNO
243.69 g/mol
Pharmaceutical IntermediateWarning
8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
CAS31251-41-9EC700-257-5
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a chlorinated, tricyclic ketone with a pyridine ring, commonly used as a pharmaceutical intermediate in research and manufacturing processes.
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.
Sourcing this compound?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
3-[2-(3-Chlorophenyl)ethyl]-2-pyridinecarbonitrile
CAS31255-57-9
pharmaceutical intermediate
ReferenceSame Category
7-Chloro-2-methoxy-5-phenyl-3H-1,4-benzodiazepine
CAS31269-33-7
pharmaceutical intermediate
ReferenceSame Category
2-amino-9-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-1H-purin-6-one hydrate
CAS312693-72-4
pharmaceutical intermediate
ReferenceSame Category
5,6-Diethyl-2,3-dihydro-1H-inden-2-amine hydrochloride
CAS312753-53-0
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one (CAS 31251-41-9) 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
13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-one
InChIKey
WMQNOYVVLMIZDV-UHFFFAOYSA-N
SMILES
C1CC2=C(C=CC(=C2)Cl)C(=O)C3=C1C=CC=N3
Synonyms (19)
- LORATADINE EP IMPURITY B ( USP RC C)
- LORATADINE IMPURITY B (EP IMPURITY)
- LORATADINE IMPURITY, 8-CHLORO-6,11-DIHYDRO-5H-BENZO(5,6)CYCLOHEPTA(1,2-B)PYRIDIN-11-ONE-(USP IMPURITY)
- Loratadine EP Impurity B
- Loratadine Imp. B (EP); Loratadine USP Related Compound C; Loratadine USP RC C; 8-Chloro-5,6-dihydro-11H-benzo[5.6]cyclohepta[1,2-b]pyridin-11-one; Loratadine Related Compound C; Loratadine Impurity B
- Loratadine impurity, 8-chloro-6,11-dihydro-5H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-one-(USP)
- LORATADINE IMPURITY B
Sourcing this compound?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.