Chemical identity

Rupatadine Inhouse Impurity B

CAS 156523-04-5 · C26H24ClN3O

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-27612
PubChem CID10365366
NameRupatadine Inhouse Impurity B
CAS RN156523-04-5
Molecular formulaC26H24ClN3O
Molecular weight429.95 g/mol
IUPAC name(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)(5-methylpyridin-3-yl)methanone
InChIKeyWNAGDOYJHMJPBN-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 10365366
Two-dimensional chemical structure of Rupatadine Inhouse Impurity B, CAS 156523-04-5
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 5 rings, includes aromatic atoms, includes aliphatic carbon, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count5
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1=CC(=CN=C1)C(=O)N2CCC(=C3C4=C(CCC5=C3N=CC=C5)C=C(C=C4)Cl)CC2
InChINot listed
Formula from structureC26H24ClN3O
Molecular weight from structure429.95 g/mol

03India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 156523-04-5 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 156523-04-5 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

Rupatadine

View API and impurity family

Other names

  • [4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)methanone
  • 156523-04-5
  • RefChem:208501
  • Rupatadine Impurity B
  • Rupatadine impurity 6
  • CHEMBL329826
  • X99ZFT22J9
  • SCHEMBL16385870
  • DTXSID601104732
  • (4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)(5-methylpyridin-3-yl)methanone
  • 13-Chloro-2-[1-(5-methylpyridine-3-carbonyl)piperidin-4-ylidene]-4-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaene
  • Methanone, [4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)-

Related records from the same parent family

05Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

06Sources