| CAS No. | 956211-82-8 |
| Molecular Formula | C29H21ClN4O |
| Molecular Weight | 476.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C29H21ClN4O, (E)-N'-((3-([1,1'-biphenyl]-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-4-chlorobenzohydrazide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(E)-N'-((3-([1,1'-biphenyl]-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-4-chlorobenzohydrazide (CAS 956211-82-8) is a high-purity analytical reference standard with the molecular formula C29H21ClN4O and a molecular weight of 476.96 g/mol.
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), (E)-N'-((3-([1,1'-biphenyl]-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-4-chlorobenzohydrazide 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 | C29H21ClN4O |
| Molecular Weight | 476.96 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |