Chemical identity
Olmesartan intermediate impurity â…
CAS 144690-07-3 · C11H16N2O3
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-24011 |
|---|---|
| PubChem CID | 10513320 |
| Name | Olmesartan intermediate impurity â… |
| CAS RN | 144690-07-3 |
| Molecular formula | C11H16N2O3 |
| Molecular weight | 224.3 g/mol |
| IUPAC name | Ethyl 4-acetyl-2-propyl-1H-imidazole-5-carboxylate |
| InChIKey | VZPSJLSTXDBKLC-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 1 ring, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 1 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CCCC1=NC(=C(N1)C(=O)OCC)C(=O)C |
|---|---|
| InChI | Not listed |
| Formula from structure | C11H16N2O3 |
| Molecular weight from structure | 224.3 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 144690-07-3 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 144690-07-3 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
Olmesartan
View API and impurity familyOther names
- Olmesartan Impurity 6
- Olmesartan Medoxomil Impurity 6
- Olmesartan intermediate impurity â…
- OlMesartan interMediate iMpurity II
- 5-Acetyl-2-propyl-1H-Imidazole-4-carboxylic Acid Ethyl Ester
- 4-ACETYL-2-PROPYL-1H-IMIDAZOLE-5-CARBOXYLIC ACID ETHYL ESTER
- 1H-Imidazole-5-carboxylic acid, 4-acetyl-2-propyl-, ethyl ester
- 1H-IMidazole-4-carboxylic acid, 5-acetyl-2-propyl-, ethyl ester
- Olmesartan Impurity 6 ethyl 4-acetyl-2-propyl-1H-imidazole-5-carboxylate
- ethyl 4-acetyl-2-propyl-1H-imidazole-5-carboxylate
- 144690-07-3
- Ethyl 5-acetyl-2-propyl-1H-imidazole-4-carboxylate
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 10513320
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.
