Chemical identity

Oxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E

CAS 21737-58-6 · C14H11NO

01Identity

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

Lazychem IDLC-24365
PubChem CID11160106
NameOxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E
CAS RN21737-58-6
Molecular formulaC14H11NO
Molecular weight209.24 g/mol
IUPAC name5,11-Dihydro-10H-dibenzo[b,f]azepin-10-one
InChIKeyVSZGCLXGCOECAY-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 11160106
Two-dimensional chemical structure of Oxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E, CAS 21737-58-6
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count3
Secondary amines1
Tertiary amines0
N-methyl amine sites0
SMILESC1C2=CC=CC=C2NC3=CC=CC=C3C1=O
InChINot listed
Formula from structureC14H11NO
Molecular weight from structure209.24 g/mol

03Possible N-nitroso structures

Shown for structural screening only. These candidates are not confirmed impurities, formation predictions or analytical findings.

Matched amine site1 candidate
Chemical structure of Oxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E with the matched amine site highlighted in amber
Amber identifies the screened atom and adjacent bonds.
Possible structure candidateUnverified identity
First calculated possible N-nitroso structure derived from Oxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E, with the new N-nitroso group highlighted in amber
The new N-N=O atoms and bonds are highlighted. No CAS number or compound name is assigned by this calculation.
Candidate 1Possible N-nitroso structural candidate
Calculated formula
C14H10N2O2
Candidate SMILES
O=NN1c2ccccc2CC(=O)c2ccccc21

Interpretation: A structural alert alone does not establish that a nitrosamine forms. Evaluate nitrite sources, amine reagents, pH, temperature, process sequence, purge and analytical evidence.

04India 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 21737-58-6 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 21737-58-6 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.

05Names and relationships

Associated parent compound

Oxcarbazepine

View API and impurity family

Other names

  • Oxcarbazepine EP Impurity C
  • Oxcarbazepine Related Compound E
  • 10-Keto-iminodibenzyl
  • Dibenzazepinone
  • 5, 11-Dihydro-10H-dibenz[b, f]azepin-10-one
  • USP Oxcarbazepine Related Compound E
  • DE(5-carboxamide)oxcarbazepine
  • 21737-58-6
  • 5,11-dihydro-10H-dibenzo[b,f]azepin-10-one
  • UNII-K14BE2W19M
  • 10H-Dibenz(b,f)azepin-10-one, 5,11-dihydro-
  • K14BE2W19M

Related records from the same parent family

06Documented 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.

07Sources