| CAS No. | 1134843-36-9 |
| Molecular Formula | C6H9N3S |
| Molecular Weight | 155.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(1h-Pyrazol-1-yl)propanethioamide (CAS 1134843-36-9), molecular formula C6H9N3S and molecular weight 155.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H9N3S, 3-(1h-Pyrazol-1-yl)propanethioamide contains a nitrile group, sulfur-containing functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 155.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-(1h-Pyrazol-1-yl)propanethioamide 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 | C6H9N3S |
| Molecular Weight | 155.22 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |