| CAS No. | 98021-55-7 |
| Molecular Formula | C5H6N6S2 |
| Molecular Weight | 214.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,5'-Methylenebis(1,3,4-thiadiazol-2-amine) (CAS 98021-55-7), molecular formula C5H6N6S2 and molecular weight 214.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H6N6S2, 5,5'-Methylenebis(1,3,4-thiadiazol-2-amine) contains a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 214.27 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.
As a certified reference material (CRM), 5,5'-Methylenebis(1,3,4-thiadiazol-2-amine) 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 | C5H6N6S2 |
| Molecular Weight | 214.27 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |