Chemical identity
Ascorbic Acid EP Impurity E
CAS 144-62-7 · C2H2O4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-06839 |
|---|---|
| PubChem CID | 971 |
| Name | Ascorbic Acid EP Impurity E |
| CAS RN | 144-62-7 |
| Molecular formula | C2H2O4 |
| Molecular weight | 90.03 g/mol |
| IUPAC name | Oxalic Acid |
| InChIKey | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C2H2O4 |
|---|---|
| InChIKey | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
| Ring count | 0 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | O=C(O)C(O)=O |
|---|---|
| InChI | InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6) |
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 144-62-7 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 144-62-7 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
Ascorbic Acid
View API and impurity familyOther names
No synonyms are listed.
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 971
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.
