| CAS No. | 314293-25-9 |
| Molecular Formula | C26H18N6O6S |
| Molecular Weight | 542.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 4-{2-[1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic 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.
4-{2-[1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid (CAS 314293-25-9), molecular formula C26H18N6O6S and molecular weight 542.52 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-{2-[1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid (C26H18N6O6S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 542.52 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C26H18N6O6S |
| Molecular Weight | 542.52 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |