Chemical identity
3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 41078-70-0 · C11H11ClN2O
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-02343 |
|---|---|
| PubChem CID | 817866 |
| Name | 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one |
| CAS RN | 41078-70-0 |
| Molecular formula | C11H11ClN2O |
| Molecular weight | 222.67 g/mol |
| IUPAC name | 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one |
| InChIKey | LFTGLYCNMGGMKL-UHFFFAOYSA-N |
02Structure identifiers
![Two-dimensional chemical structure of 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, CAS 41078-70-0](/structures/pubchem/817866-900.png)
The parsed structure contains 2 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 | 2 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CC1=C(C(=O)N2C=CC=CC2=N1)CCCl |
|---|---|
| InChI | Not listed |
| Formula from structure | C11H11ClN2O |
| Molecular weight from structure | 222.67 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 41078-70-0 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 41078-70-0 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
Risperidone
View API and impurity familyOther names
- 41078-70-0
- 3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
- EINECS 255-207-0
- DTXSID70194041
- RefChem:92175
- DTXCID80116532
- 255-207-0
- 3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
- MFCD03085747
- 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-2-methyl-
- Risperidone Impurity 22
- MLS006010917
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 817866
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.
