Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate CAS 20514-27-6
| CAS No. | 20514-27-6 |
| Molecular Formula | C12H11N2O6S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate (CAS 20514-27-6) is a high-purity analytical reference standard with the molecular formula C12H11N2O6SNa and a molecular weight of 334.28 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 334.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate 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 | C12H11N2O6S Na |
| Molecular Weight | 334.28 g/mol |
| Purity | >95% |
| 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Chloro-n-[(1-methyl-1h-imidazol-2-yl)(phenyl)methyl]acetamide (CAS 923769-07-7)
- 5-Chloro-1-(4-chlorobenzyl)-N-(2-(dimethylamino)ethyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 338981-11-6)
- (1R,3R)-3-methoxycyclopentane-1-carboxylic acid (CAS 2166250-33-3)
- 2-Morpholino-6-phenylpyrimidine-4-carboxamide (CAS 378766-17-7)
- 3-({4-Amino-6-[methyl(phenyl)amino]-1,3,5-triazin-2-yl}methyl)-5-chloro-1,3-benzoxazol-2(3H)-one (CAS 903202-10-8)
- Phenol, 2-pentyl- (CAS 136-81-2)
- Dimethyl (3S,4S)-1-benzylpyrrolidine-3,4-dicarboxylate (CAS 111186-67-5)
- Fosfomycin Impurity 82 (CAS 789427-15-2)
- Methyl 3-methoxy-5-[4-(methylsulfanyl)phenyl]benzoate (CAS 1820609-17-3)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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