| CAS No. | 483285-30-9 |
| Molecular Formula | C20H21N5O3S |
| Molecular Weight | 411.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-Methoxy-N'-(2-((4-methyl-5-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetyl)benzohydrazide (CAS 483285-30-9), molecular formula C20H21N5O3S and molecular weight 411.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21N5O3S, 4-Methoxy-N'-(2-((4-methyl-5-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetyl)benzohydrazide contains a steroid core, 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 411.48 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.
As a certified reference material (CRM), 4-Methoxy-N'-(2-((4-methyl-5-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetyl)benzohydrazide 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.
| Molecular Formula | C20H21N5O3S |
| Molecular Weight | 411.48 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |