| CAS No. | 956377-39-2 |
| Molecular Formula | C14H12N6OS |
| Molecular Weight | 312.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 312.35 g/mol gives N-[(5Z)-4-Oxo-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-2-yl]guanidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-[(5Z)-4-Oxo-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-2-yl]guanidine (CAS 956377-39-2), molecular formula C14H12N6OS and molecular weight 312.35 g/mol, is a CATO reference standard with documented purity and traceability.
N-[(5Z)-4-Oxo-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-2-yl]guanidine (C14H12N6OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C14H12N6OS |
| Molecular Weight | 312.35 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |