| CAS No. | 19546-85-1 |
| Molecular Formula | C7H4N4S |
| Molecular Weight | 176.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 6H-Imidazo[4',5':3,4]benzo[1,2-c][1,2,5]thiadiazole 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.
6H-Imidazo[4',5':3,4]benzo[1,2-c][1,2,5]thiadiazole (CAS 19546-85-1), molecular formula C7H4N4S and molecular weight 176.20 g/mol, is a CATO reference standard with documented purity and traceability.
6H-Imidazo[4',5':3,4]benzo[1,2-c][1,2,5]thiadiazole (C7H4N4S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
| Molecular Formula | C7H4N4S |
| Molecular Weight | 176.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |