| CAS No. | 341968-18-1 |
| Molecular Formula | C17H15ClN4OS |
| Molecular Weight | 358.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 358.85 g/mol gives 4-Chloro-N'-methyl-N'-[2-(methylsulfanyl)quinazolin-4-yl]benzohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Chloro-N'-methyl-N'-[2-(methylsulfanyl)quinazolin-4-yl]benzohydrazide (CAS 341968-18-1) is a high-purity analytical reference standard with the molecular formula C17H15ClN4OS and a molecular weight of 358.85 g/mol.
Based on its molecular formula C17H15ClN4OS, 4-Chloro-N'-methyl-N'-[2-(methylsulfanyl)quinazolin-4-yl]benzohydrazide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 358.85 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-Chloro-N'-methyl-N'-[2-(methylsulfanyl)quinazolin-4-yl]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 | C17H15ClN4OS |
| Molecular Weight | 358.85 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |