Chemical identity
Olmesartan Medoxomil Impurity / 4-Chloromethyl-5-methyl-1,3-dioxol-2-one
CAS 80841-78-7 · C5H5ClO3
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-24022 |
|---|---|
| PubChem CID | 9855518 |
| Name | Olmesartan Medoxomil Impurity / 4-Chloromethyl-5-methyl-1,3-dioxol-2-one |
| CAS RN | 80841-78-7 |
| Molecular formula | C5H5ClO3 |
| Molecular weight | 148.54 g/mol |
| IUPAC name | 4-Chloromethyl-5-methyl-1,3-dioxol-2-one |
| InChIKey | QCLFSYYUWPUWQR-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 1 ring, includes aromatic atoms, includes aliphatic carbon, contains at least one halogen atom. 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 | CC1=C(OC(=O)O1)CCl |
|---|---|
| InChI | Not listed |
| Formula from structure | C5H5ClO3 |
| Molecular weight from structure | 148.54 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 80841-78-7 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 80841-78-7 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 Medoxomil Impurity
- 4-Chloromethyl-5-methyl-1, 3-dioxol-2-one
- EC 617-178-6
- RefChem:515638
- 617-178-6
- 80841-78-7
- 4-Cloromethyl-5-methyl-1,3-dioxol-2-one
- MFCD07787494
- 1,3-Dioxol-2-one, 4-(chloromethyl)-5-methyl-
- 4-(chloromethyl)-5-methyl-2H-1,3-dioxol-2-one
- 4-chloromethyl-5-methyl-1,3-dioxolen-2-one
- 4-Choromethyl-5-methyl-2-oxo-1,3-dioxole
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 9855518
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.
