Chemical identity
Pimozide EP Impurity E / Pimozide N-Oxide
CAS 1083078-88-9 · C28H29F2N3O2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-25300 |
|---|---|
| PubChem CID | 21673603 |
| Name | Pimozide EP Impurity E / Pimozide N-Oxide |
| CAS RN | 1083078-88-9 |
| Molecular formula | C28H29F2N3O2 |
| Molecular weight | 477.55 |
| IUPAC name | 1-[1-[4,4-bis(4-Fluorophenyl)butyl]piperidin-4-yl1-oxide]-1,3-dihydro-2H-benzimidazol-2-one |
| InChIKey | SAVNBLOUWOJISO-UHFFFAOYSA-N |
02Structure identifiers

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 stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 5 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C1C[N+](CCC1N2C3=CC=CC=C3NC2=O)(CCCC(C4=CC=C(C=C4)F)C5=CC=C(C=C5)F)[O-] |
|---|---|
| InChI | Not listed |
| Formula from structure | C28H29F2N3O2 |
| Molecular weight from structure | 477.55 |
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 1083078-88-9 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 1083078-88-9 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
Pimozide
View API and impurity familyOther names
- Pimozide EP Impurity E
- Pimozide N-Oxide
- 1083078-88-9
- UNII-KC2BVV76IU
- KC2BVV76IU
- Pimozide specified impurity E [EP]
- 1-(1-(4,4-Bis(4-fluorophenyl)butyl)piperidin-4-yl 1-oxide)-1,3-dihydro-2H-benzimidazol-2-one
- 2H-Benzimidazol-2-one, 1-(1-(4,4-bis(4-fluorophenyl)butyl)-1-oxido-4-piperidinyl)-1,3-dihydro-
- DTXSID00148496
- PIMOZIDE IMPURITY E [EP IMPURITY]
- RefChem:174287
- Pimozide specified impurity E
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 21673603
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.
