Chemical identity
Praziquantel EP Impurity C/ Praziquantel Related Compound C
CAS 125273-88-3 · C19H22N2O4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-25851 |
|---|---|
| PubChem CID | 66524484 |
| Name | Praziquantel EP Impurity C/ Praziquantel Related Compound C |
| CAS RN | 125273-88-3 |
| Molecular formula | C19H22N2O4 |
| Molecular weight | 342.39 g/mol |
| IUPAC name | N-[2-(3,4-Dihydro-1-oxo-2(1H)-isoquinolinyl)-2-oxoethyl]-N-formyl-cyclohexanecarboxamide |
| InChIKey | RPNVVNYKJLHAFP-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C1CCC(CC1)C(=O)N(CC(=O)N2CCC3=CC=CC=C3C2=O)C=O |
|---|---|
| InChI | Not listed |
| Formula from structure | C19H22N2O4 |
| Molecular weight from structure | 342.39 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 125273-88-3 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 125273-88-3 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
Praziquantel
View API and impurity familyOther names
- Praziquantel EP Impurity C
- Praziquantel Related Compound C
- N-Formyl-N-(2-oxo-2-(1-oxo-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)cyclohexanecarboxamide
- 125273-88-3
- N-[2-(3,4-Dihydro-1-oxo-2(1H)-isoquinolinyl)-2-oxoethyl]-N-formyl-cyclohexanecarboxamide
- HRW0WH0AQH
- N-formyl-N-[2-oxo-2-(1-oxo-3,4-dihydroisoquinolin-2-yl)ethyl]cyclohexanecarboxamide
- Cyclohexanecarboxamide, N-(2-(3,4-dihydro-1-oxo-2(1H)-isoquinolinyl)-2-oxoethyl)-N-formyl-
- N-cyclohexanecarbonyl-N-[2-oxo-2-(1-oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)ethyl]formamide
- UNII-HRW0WH0AQH
- Praziquantel impurity C [EP]
- SCHEMBL28636831
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 66524484
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.
