| CAS No. | 866154-04-3 |
| Molecular Formula | C11H4Cl3N3OS |
| Molecular Weight | 332.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 332.59 g/mol gives 3,4-Dichloro-N-(4-chloro-5-cyanothiazol-2-yl)benzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dichloro-N-(4-chloro-5-cyanothiazol-2-yl)benzamide (CAS 866154-04-3), molecular formula C11H4Cl3N3OS and molecular weight 332.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H4Cl3N3OS, 3,4-Dichloro-N-(4-chloro-5-cyanothiazol-2-yl)benzamide contains a nitrogen-containing heterocyclic scaffold, 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 332.59 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,4-Dichloro-N-(4-chloro-5-cyanothiazol-2-yl)benzamide 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 | C11H4Cl3N3OS |
| Molecular Weight | 332.59 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |