Chemical identity
Olmesartan EP Impurity C/ Dehydro Olmesartan Medoxomil/ Anhydro Olmesartan Medoxomil/ Olmesartan Medoxomil Olefinic Impurity
CAS 879562-26-2 · C29H28N6O5
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-24003 |
|---|---|
| PubChem CID | 44193132 |
| Name | Olmesartan EP Impurity C/ Dehydro Olmesartan Medoxomil/ Anhydro Olmesartan Medoxomil/ Olmesartan Medoxomil Olefinic Impurity |
| CAS RN | 879562-26-2 |
| Molecular formula | C29H28N6O5 |
| Molecular weight | 540.57 g/mol |
| IUPAC name | (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 4-(1-methylethenyl)-2-propyl-1-[[2′-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-imidazole-5-carboxylate |
| InChIKey | PSFJJUXSEHXDFN-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 | 0 |
| N-methyl amine sites | 0 |
| SMILES | O=C(C1=C(C(C)=C)N=C(CCC)N1CC2=CC=C(C3=CC=CC=C3C4=NN=NN4)C=C2)OCC5=C(C)OC(O5)=O |
|---|---|
| InChI | Not listed |
| Formula from structure | C29H28N6O5 |
| Molecular weight from structure | 540.57 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 879562-26-2 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 879562-26-2 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 EP Impurity C
- Dehydro Olmesartan Medoxomil
- Anhydro Olmesartan Medoxomil
- Olmesartan Medoxomil Methylvinyl Impurity
- Olmesartan Medoxomil Olefinic 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 44193132
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.
