2,5-Dihydro-2,5-dioxo-β-sulfo-1H-pyrrole-1-butanoic Acid 1-(2,5-Dioxo-1-pyrrolidinyl) Ester CAS 1193111-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1193111-53-3 |
| Molecular Formula | C12H12N2O9S |
| Molecular Weight | 360.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dihydro-2,5-dioxo-β-sulfo-1H-pyrrole-1-butanoic Acid 1-(2,5-Dioxo-1-pyrrolidinyl) Ester (CAS 1193111-53-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H12N2O9S. Molecular weight: 360.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O9S |
| Molecular Weight | 360.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-1-((2,5-dioxopyrrolidin-1-yl)oxy)-1-oxobutane-2-sulfonic acid (CAS 1193111-46-4)
- Mal-amino-sulfo (CAS 158018-81-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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