4-Bromo-2-(1-methyl-1h-pyrazol-4-yl)-1,3-thiazole CAS 1501714-66-4
| CAS No. | 1501714-66-4 |
| Molecular Formula | C7H6BrN3S |
| Molecular Weight | 244.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-2-(1-methyl-1h-pyrazol-4-yl)-1,3-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.
4-Bromo-2-(1-methyl-1h-pyrazol-4-yl)-1,3-thiazole (CAS 1501714-66-4), molecular formula C7H6BrN3S and molecular weight 244.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6BrN3S, 4-Bromo-2-(1-methyl-1h-pyrazol-4-yl)-1,3-thiazole contains a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.11 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).
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.
Physical & Chemical Properties
| Molecular Formula | C7H6BrN3S |
| Molecular Weight | 244.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 8-Bromotetralone, 97% (CAS 651735-60-3)
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- trans-2-(4-Ethylphenyl)cyclopentanol (CAS 933674-41-0)
- 5'-tert-Butyl 2'-methyl 3'-aminospiro[cyclopropane-1,6'-thieno[2,3-c]pyrrole]-2',5'(4'H)-dicarboxylate (CAS 1416439-91-2)
- 1,2-Dimethyl-1H-indol-5-ylamine 5-Amino-1,2-dimethylindole 7570-48-1 (CAS 7570-48-1)
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- 2-Methyl-1,2-diphenylpropan-1-one (CAS 13740-70-0)
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