| CAS No. | 256414-72-9 |
| Molecular Formula | C10H7N3S |
| Molecular Weight | 201.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 201.25 g/mol gives 2-(1H-Pyrazol-5-yl)benzo[d]thiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(1H-Pyrazol-5-yl)benzo[d]thiazole (CAS 256414-72-9), a certified reference material (molecular formula C10H7N3S, MW 201.25 g/mol) for analytical method development and quality control.
Structurally, 2-(1H-Pyrazol-5-yl)benzo[d]thiazole (C10H7N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 201.25 g/mol, it falls into the medium-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).
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.
As a certified reference material (CRM), 2-(1H-Pyrazol-5-yl)benzo[d]thiazole 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 | C10H7N3S |
| Molecular Weight | 201.25 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |