Chemical identity
Ebastine EP Impurity F / cis-Ebastine N-Oxide
CAS 1429071-63-5 · C32H39NO3
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-13688 |
|---|---|
| PubChem CID | 129318590 |
| Name | Ebastine EP Impurity F / cis-Ebastine N-Oxide |
| CAS RN | 1429071-63-5 |
| Molecular formula | C32H39NO3 |
| Molecular weight | 485.67 g/mol |
| IUPAC name | (1s,4s)-1-[4-(4-tert-butylphenyl)-4-oxobutyl]-4- (diphenylmethoxy)piperidine N-oxide |
| InChIKey | PFOUEGNOVHBNHS-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 4 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CC(C)(C)C1=CC=C(C=C1)C(=O)CCC[N+]2(CCC(CC2)OC(C3=CC=CC=C3)C4=CC=CC=C4)[O-] |
|---|---|
| InChI | Not listed |
| Formula from structure | C32H39NO3 |
| Molecular weight from structure | 485.67 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 1429071-63-5 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 1429071-63-5 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
Ebastine
View API and impurity familyOther names
- Ebastine EP Impurity F
- cis-Ebastine N-Oxide
- Ebastine N-Oxide
- 1256285-71-8
- Ebastine EP Impurity G
- 1429071-63-5
- Ebastine impurity F
- D6B5LI0E0G
- UNII-D6B5LI0E0G
- 4-(4-benzhydryloxy-1-oxidopiperidin-1-ium-1-yl)-1-(4-tert-butylphenyl)butan-1-one
- 1429071-65-7
- 1-(4-(1,1-Dimethylethyl)phenyl)-4-(cis-4-(diphenylmethoxy)-1-oxidopiperidin-1-yl)-butan-1-one
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 129318590
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.
