4-{2-[1-(Aminocarbothioyl)-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}-2-hydroxybenzoic acid CAS 314760-24-2
| CAS No. | 314760-24-2 |
| Molecular Formula | C17H12N6O6S |
| Molecular Weight | 428.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-{2-[1-(Aminocarbothioyl)-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}-2-hydroxybenzoic acid (C17H12N6O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-{2-[1-(Aminocarbothioyl)-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}-2-hydroxybenzoic acid (CAS 314760-24-2), molecular formula C17H12N6O6S and molecular weight 428.38 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-{2-[1-(Aminocarbothioyl)-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}-2-hydroxybenzoic acid 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 | C17H12N6O6S |
| Molecular Weight | 428.38 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Aminocarbothioyl Standards
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