| Catalog Number | R070913 |
| CAS Number | 81-08-3 |
| Synonyms | Benzenesulfonic acid-2-carboxy anhydride (endo) |
| Molecular Formula | C7H4O4S |
| Purity | ≥95% |
| Storage | RT |
| IUPAC Name | 1,1-dioxo-2,1$l^{6} |
| InChI | InChI=1S/C7H4O4S/c8-7-5-3-1-2-4-6(5)12(9,10)11-7/h1-4H |
| InChIKey | NCYNKWQXFADUOZ-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OS2(=O)=O |
