Chemical identity
Buspirone EP Impurity H / Buspirone Diester Dimer
CAS 2708578-34-9 · C33H50N8O4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-09022 |
|---|---|
| PubChem CID | 129011614 |
| Name | Buspirone EP Impurity H / Buspirone Diester Dimer |
| CAS RN | 2708578-34-9 |
| Molecular formula | C33H50N8O4 |
| Molecular weight | 622.80 g/mol |
| IUPAC name | bis{[4-[4-(Pyrimidin-2-yl)piperazin-1-yl]butyl]}(cyclopentane-1,1-diyl)diacetate |
| InChIKey | YDYRFEJMLXXKCV-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 5 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 5 |
| Secondary amines | 0 |
| Tertiary amines | 4 |
| N-methyl amine sites | 0 |
| SMILES | C1CCC(C1)(CC(=O)OCCCCN2CCN(CC2)C3=NC=CC=N3)CC(=O)OCCCCN4CCN(CC4)C5=NC=CC=N5 |
|---|---|
| InChI | Not listed |
| Formula from structure | C33H50N8O4 |
| Molecular weight from structure | 622.80 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 2708578-34-9 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 2708578-34-9 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
Buspirone
View API and impurity familyOther names
- Buspirone EP Impurity H
- Buspirone Diester Dimer
- 2708578-34-9
- BIS(4-(4-(PYRIMIDIN-2-YL)PIPERAZIN-1-YL)BUTYL) 2,2'-(CYCLOPENTANE-1,1-DIYL)DIACETATE
- Bis[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl] (cyclopentane-1,1-diyl)diacetate
- W4Y50EQ8WB
- BUSPIRONE DIESTER DIMER [USP IMPURITY]
- BUSPIRONE HYDROCHLORIDE IMPURITY H [EP IMPURITY]
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 129011614
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.
