No record-level structural candidate is currently published for this identity.
API and parent drug
Buspirone
CAS 36505-84-7 · C21H31N5O2 · 25 related records
01API identity and structure
2D structurePubChem CID 2477

| API / medicine name | Buspirone |
|---|---|
| CAS RN | 36505-84-7 |
| PubChem CID | 2477 |
| Molecular formula | C21H31N5O2 |
| Molecular weight | 385.5 g/mol |
| IUPAC name | 8-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | C1CCC2(C1)CC(=O)N(C(=O)C2)CCCCN3CCN(CC3)C4=NC=CC=N4 |
|---|---|
| InChI | Not listed |
| InChIKey | QWCRAEMEVRGPNT-UHFFFAOYSA-N |
02Structural nitrosamine screen
This result does not predict manufacturing conditions, formation, analytical findings or absence of risk. A process-specific assessment is required.
03India status for this compound
The result below applies only to this exact compound identity and CAS number.
| NDPS / RCS | NOT FOUND IN REVIEWED ENTRIES | No exact reviewed identity entry was found. Generic, class, analogue, salt and isomer provisions were not evaluated. Confirm the current official schedule before a regulatory decision. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | CAS 36505-84-7 was not found in the reviewed exact-CAS mapping. Generic and analogue entries were not evaluated. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · source version 1985-09-16
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · source version 2026-03-11
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · source version 2024-09-02
05Sources
- S01PubChem compound record, CID 2477
Structure, identifiers and machine-readable properties for the API identity.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. Vendor descriptions and contributed narrative text are not reproduced.
- S03Lazychem chemical records
Parent-family links use the supplied parent identity.

![2D structure: 7,9-Dioxo-8-azaspiro[4.5]decane-8-butanoic Acid, CAS 105920-65-8](/structures/pubchem/33695292/105920-65-8-7-9-dioxo-8-azaspiro-4-5-decane-8-butanoic-acid-2d-structure-300.png)























