| CAS No. | 31199-89-0 |
| Molecular Formula | C9H8N4OS2 |
| Molecular Weight | 252.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 252.32 g/mol gives 1-Phenyl-3-(5-sulfanyl-1,3,4-thiadiazol-2-yl)urea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Phenyl-3-(5-sulfanyl-1,3,4-thiadiazol-2-yl)urea (CAS 31199-89-0), molecular formula C9H8N4OS2 and molecular weight 252.32 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 1-Phenyl-3-(5-sulfanyl-1,3,4-thiadiazol-2-yl)urea is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 252.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 1-Phenyl-3-(5-sulfanyl-1,3,4-thiadiazol-2-yl)urea under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C9H8N4OS2 |
| Molecular Weight | 252.32 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.) | 1965 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |