Chemical identity
Candesartan N1-Ethyl Impurity
CAS 1246817-38-8 · C26H24N6O3
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-09285 |
|---|---|
| PubChem CID | 71316547 |
| Name | Candesartan N1-Ethyl Impurity |
| CAS RN | 1246817-38-8 |
| Molecular formula | C26H24N6O3 |
| Molecular weight | 468.51 g/mol |
| IUPAC name | 2-Ethoxy-1-[[2'-(1-ethyl-1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid |
| InChIKey | YDHVZUNUEWIVIB-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 | CCN1C(=NN=N1)C2=CC=CC=C2C3=CC=C(C=C3)CN4C5=C(C=CC=C5N=C4OCC)C(=O)O |
|---|---|
| InChI | Not listed |
| Formula from structure | C26H24N6O3 |
| Molecular weight from structure | 468.51 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 1246817-38-8 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 1246817-38-8 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
Candesartan
View API and impurity familyOther names
- 1H-1-Ethyl Candesartan
- 1246817-38-8
- Candesartan N1-Ethyl Impurity
- 2-ethoxy-3-[[4-[2-(1-ethyltetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylic acid
- 2-Ethoxy-1-[[2'-(1-ethyl-1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic Acid
- DTXSID20747748
- 2-Ethoxy-1-{[2'-(1-ethyl-1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl}-1H-1,3-benzimidazole-7-carboxylic acid
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 71316547
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.
