Chemical identity
Sulpiride EP Impurity C
CAS 33045-53-3 · C10H13NO5S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-28625 |
|---|---|
| PubChem CID | 118391 |
| Name | Sulpiride EP Impurity C |
| CAS RN | 33045-53-3 |
| Molecular formula | C10H13NO5S |
| Molecular weight | 259.28 g/mol |
| IUPAC name | Ethyl 2-methoxy-5-sulfamoylbenzoate |
| InChIKey | ZQSFLXDMGBSJKV-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 | CCOC(=O)C1=C(C=CC(=C1)S(=O)(=O)N)OC |
|---|---|
| InChI | Not listed |
| Formula from structure | C10H13NO5S |
| Molecular weight from structure | 259.28 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 33045-53-3 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 33045-53-3 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
Sulpiride
View API and impurity familyOther names
- Ethyl 5-sulphamoyl-o-anisate
- ethyl 2-methoxy-5-sulfamoylbenzoate
- Benzoic acid, 5-(aminosulfonyl)-2-methoxy-, ethyl ester
- Q7VF5JG8SB
- EINECS 251-359-7
- DTXSID50186702
- SULPIRIDE IMPURITY C [EP IMPURITY]
- ETHYL 2-METHOXY-5-SULFONAMIDOBENZOATE
- ETHYL 5-(AMINOSULFONYL)-2-METHOXYBENZOATE
- RefChem:138836
- DTXCID50109193
- 251-359-7
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 118391
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.
