| CAS No. | 142439-47-2 |
| Molecular Formula | C11H8FNO9S2 |
| Molecular Weight | 381.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, 1-((4-(Fluorosulfonyl)benzoyl)oxy)-2,5-dioxopyrrolidine-3-sulfonic acid (C11H8FNO9S2) contains a carbohydrate-derived structure, an amide group, a sulfone group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 381.31 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-((4-(Fluorosulfonyl)benzoyl)oxy)-2,5-dioxopyrrolidine-3-sulfonic acid (CAS 142439-47-2) is a high-purity analytical reference standard with the molecular formula C11H8FNO9S2 and a molecular weight of 381.31 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-((4-(Fluorosulfonyl)benzoyl)oxy)-2,5-dioxopyrrolidine-3-sulfonic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C11H8FNO9S2 |
| Molecular Weight | 381.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |