Chemical identity
Oxcarbazepine EP Impurity B /10-Methoxycarbamazepine / Methoxycarbamazepine
CAS 28721-09-7 · C16H14N2O2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-24364 |
|---|---|
| PubChem CID | 120031 |
| Name | Oxcarbazepine EP Impurity B /10-Methoxycarbamazepine / Methoxycarbamazepine |
| CAS RN | 28721-09-7 |
| Molecular formula | C16H14N2O2 |
| Molecular weight | 266.29 g/mol |
| IUPAC name | 10-Methoxy-5H-dibenzo[b,f]azepine-5-carboxamide |
| InChIKey | PIZOFBKQWNPKDK-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | COC1=CC2=CC=CC=C2N(C3=CC=CC=C31)C(=O)N |
|---|---|
| InChI | Not listed |
| Formula from structure | C16H14N2O2 |
| Molecular weight from structure | 266.29 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 / RCS | NO EXACT MATCH FOUND | CAS 28721-09-7 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 28721-09-7 has no exact match in the reviewed SCOMET list. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
04Names and relationships
Associated parent compound
Oxcarbazepine
View API and impurity familyOther names
- 10-methoxy-5H-dibenz(b,f)azepine-5-carboxamide
- 28721-09-7
- 10-Methoxycarbamazepine
- Q13NU3QR2X
- 5H-Dibenz[b,f]azepine-5-carboxamide, 10-methoxy-
- DTXSID90182884
- RefChem:437044
- DTXCID30105375
- 249-189-3
- 10-methoxy-5h-dibenzo[b,f]azepine-5-carboxamide
- Oxcarbazepine EP Impurity B
- 5-methoxybenzo[b][1]benzazepine-11-carboxamide
05Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
06Sources
- S01PubChem compound record, CID 120031
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
