4-Bromo-1-ethyl-N-(thiazol-2-yl)-1H-pyrazole-5-carboxamide CAS 492426-56-9
| CAS No. | 492426-56-9 |
| Molecular Formula | C9H9BrN4OS |
| Molecular Weight | 301.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-1-ethyl-N-(thiazol-2-yl)-1H-pyrazole-5-carboxamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromo-1-ethyl-N-(thiazol-2-yl)-1H-pyrazole-5-carboxamide (CAS 492426-56-9) is a high-purity analytical reference standard with the molecular formula C9H9BrN4OS and a molecular weight of 301.16 g/mol.
Based on its molecular formula C9H9BrN4OS, 4-Bromo-1-ethyl-N-(thiazol-2-yl)-1H-pyrazole-5-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.16 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.
As a certified reference material (CRM), 4-Bromo-1-ethyl-N-(thiazol-2-yl)-1H-pyrazole-5-carboxamide 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.
Physical & Chemical Properties
| Molecular Formula | C9H9BrN4OS |
| Molecular Weight | 301.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-N-((4-methylthiazol-2-yl)methyl)furan-2-carboxamide (CAS 1043062-36-7)
- 4-Bromo-1-tosyl-1H-pyrazole (CAS 116228-41-2)
- 6-Bromo-N-methoxy-N-methylbenzo[d]isothiazole-3-carboxamide (CAS 1171245-18-3)
- Ethyl 5-bromo-3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 132389-20-9)
- 4-Bromo-2-(ethylamino)benzo[d]thiazole-6-carboxylic acid (CAS 1368241-12-6)
- Methyl 7-bromo-2-(methylthio)-1H-benzo[d]imidazole-5-carboxylate (CAS 1378260-57-1)
- 3-Bromo-1-tosyl-1H-pyrazole (CAS 1422344-41-9)
- 3-Bromo-5-(3,4-dimethoxyphenyl)-1,2,4-thiadiazole (CAS 1603015-44-6)
Recommended Standards
- 3-(6-Bromo-1H-benzoimidazol-2-ylsulfanyl)-propionic acid (CAS 312616-15-2)
- 4-Bromo-1-tosyl-1H-imidazole (CAS 615534-48-0)
- 2-Bromo-N-(6-methoxybenzo[d]thiazol-2-yl)acetamide (CAS 98946-80-6)
- 8-Bromo-6-methyl-2-(methylthio)imidazo[1,2-a]pyridine-3-carboxylic acid (CAS 446273-65-0)
- 3-(((tert-Butoxycarbonyl)amino)methyl)cyclobutanecarboxylic acid (CAS 1630907-04-8)
- (S)-4,5-Dimethylpiperazin-2-one (CAS 1605313-22-1)
- 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-fluorobenzyl)acetamide (CAS 1040632-00-5)
- 2-Cyclopropoxy-N,5-dimethylaniline (CAS 1243327-29-8)
- 6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 199277-87-7)
- 2-AMINO-5-FLUORONITROBENZENE 2-NITRO-4-FLUOROANILINE 364-78-3 4-FLUORO-2-NITROBENZENEAMINE 4-FLUORO-2-NITROPHENYLAMINE 4-Fluoro-2-nitroaniline AS03262 LABOTEST-BB LT03408069 OTAVA-BB 7020654143 TIMTEC-BB SBB016897 (CAS 364-78-3)
- 4-(3-Methoxy-4-nitrophenyl)morpholine (CAS 6950-88-5)
- 3-(3-Fluorophenyl)piperidine (CAS 343856-71-3)
- 2-Aminobenzenesulfonyl chloride (CAS 109061-25-8)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com