4-(2,5-DIhydro-2,5-dioxo-1h-pyrrol-1-yl)-benzoic acid 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester sodium salt CAS 202413-99-8
| CAS No. | 202413-99-8 |
| Molecular Formula | C15H9N2O9S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(2,5-DIhydro-2,5-dioxo-1h-pyrrol-1-yl)-benzoic acid 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester sodium salt (CAS 202413-99-8), molecular formula C15H9N2O9SNa and molecular weight 416.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(2,5-DIhydro-2,5-dioxo-1h-pyrrol-1-yl)-benzoic acid 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester sodium salt (C15H9N2O9SNa) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 416.29 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-(2,5-DIhydro-2,5-dioxo-1h-pyrrol-1-yl)-benzoic acid 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester sodium salt 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.
Physical & Chemical Properties
| Molecular Formula | C15H9N2O9S Na |
| Molecular Weight | 416.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related DIhydro Standards
- 3-(3,6-Dihydro-2h-pyran-4-yl)benzoic acid (CAS 1000016-95-4)
- 1,7-Dihydro-dipyrrolo[2,3-b:3',2'-e]pyridine (CAS 1000342-79-9)
- Methyl 9,10-Dihydro-9-oxoacridine-4-carboxylate (CAS 100039-03-0)
- 3-(3,4-Dihydro-2h-benzo[b][1,4]dioxepin-7-yl)propan-1-ol (CAS 1000540-71-5)
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- Ethyl 2,5-dihydro-5-oxo-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-65-7)
- 2,5-Dihydro-5-oxo-1-phenyl-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide (CAS 1000576-93-1)
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