2-((2-Oxo-2H-pyran-5-carbonyl)oxy)-5-sulfobenzoic acid CAS 353515-90-9
| CAS No. | 353515-90-9 |
| Molecular Formula | C13H8O9S |
| Molecular Weight | 340.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-((2-Oxo-2H-pyran-5-carbonyl)oxy)-5-sulfobenzoic acid.
CATO supplies 2-((2-Oxo-2H-pyran-5-carbonyl)oxy)-5-sulfobenzoic acid (CAS 353515-90-9), a certified reference material (molecular formula C13H8O9S, MW 340.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H8O9S, 2-((2-Oxo-2H-pyran-5-carbonyl)oxy)-5-sulfobenzoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 340.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-((2-Oxo-2H-pyran-5-carbonyl)oxy)-5-sulfobenzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H8O9S |
| Molecular Weight | 340.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Recommended Standards
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Why CATO?
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