2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid Sodium SaltDISCONTINUED, see S689270 CAS 1322767-63-4
| CAS No. | 1322767-63-4 |
| Molecular Formula | C13H16N2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid Sodium SaltDISCONTINUED, see S689270 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.
2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid Sodium SaltDISCONTINUED, see S689270 (CAS 1322767-63-4), molecular formula C13H16N2O4SNa and molecular weight 319.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H16N2O4SNa, 2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid Sodium SaltDISCONTINUED, see S689270 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 319.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H16N2O4S Na |
| Molecular Weight | 319.33 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 4-Ethynylbenzo[b]thiophene (CAS 153798-78-8)
- Tert-butyl 5-bromo-2-fluoro-3-methylbenzoate (CAS 2504203-85-2)
- 6-(4-Methoxyphenyl)-2-((3,4,4-trifluorobut-3-en-1-yl)thio)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 672951-82-5)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com