Chemical identity
Losartan EP Impurity E
CAS 120568-11-8 · C14H12N4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-19139 |
|---|---|
| PubChem CID | 9794697 |
| Name | Losartan EP Impurity E |
| CAS RN | 120568-11-8 |
| Molecular formula | C14H12N4 |
| Molecular weight | 236.27 g/mol |
| IUPAC name | 5-(4'-methylbiphenyl-2-yl)-1H-tetrazole |
| InChIKey | VWOJMXKARYCRCC-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C14H12N4 |
|---|---|
| InChIKey | VWOJMXKARYCRCC-UHFFFAOYSA-N |
| Ring count | 3 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | CC1=CC=C(C2=CC=CC=C2C3=NN=NN3)C=C1 |
|---|---|
| InChI | InChI=1S/C14H12N4/c1-10-6-8-11(9-7-10)12-4-2-3-5-13(12)14-15-17-18-16-14/h2-9H,1H3,(H,15,16,17,18) |
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 | NOT FOUND IN REVIEWED ENTRIES | CAS 120568-11-8 was not found in the reviewed exact-identity entries. Generic, class, analogue, salt and isomer provisions were not evaluated. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | CAS 120568-11-8 was not found in the reviewed exact-CAS mapping. Generic and analogue entries were not evaluated. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · source version 1985-09-16
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · source version 2026-03-11
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · source version 2024-09-02
04Names and relationships
Associated parent compound
Losartan /Candesartan / Irbesartan
View API and impurity familyOther names
- Losartan Methyl Impurity
- 5-[2-(4-methylphenyl)phenyl]-2H-tetrazole
- 5-[2-(4-Methylbiphenyl)]tetrazole
- 5-(4'-Methyl-(1,1'-biphenyl)-2-yl)-1H-tetrazole
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 9794697
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.
