| CAS No. | 61997-65-7 |
| Molecular Formula | C21H17N5S |
| Molecular Weight | 371.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 371.46 g/mol gives 1,3-Diphenyl-1-(3-phenyl-1,2,4-thiadiazol-5-yl)guanidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,3-Diphenyl-1-(3-phenyl-1,2,4-thiadiazol-5-yl)guanidine (CAS 61997-65-7) is a high-purity analytical reference standard with the molecular formula C21H17N5S and a molecular weight of 371.46 g/mol.
Structurally, 1,3-Diphenyl-1-(3-phenyl-1,2,4-thiadiazol-5-yl)guanidine (C21H17N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 371.46 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,3-Diphenyl-1-(3-phenyl-1,2,4-thiadiazol-5-yl)guanidine 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 | C21H17N5S |
| Molecular Weight | 371.46 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |