Ethyl 1-benzyl-4-bromo-5-hydroxy-1H-pyrazole-3-carboxylate CAS 1707581-63-2
| CAS No. | 1707581-63-2 |
| Molecular Formula | C13H13BrN2O3 |
| Molecular Weight | 325.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Ethyl 1-benzyl-4-bromo-5-hydroxy-1H-pyrazole-3-carboxylate (CAS 1707581-63-2), a certified reference material (molecular formula C13H13BrN2O3, MW 325.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H13BrN2O3, Ethyl 1-benzyl-4-bromo-5-hydroxy-1H-pyrazole-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 325.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), Ethyl 1-benzyl-4-bromo-5-hydroxy-1H-pyrazole-3-carboxylate 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 | C13H13BrN2O3 |
| Molecular Weight | 325.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 3-Bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-4-carboxylic acid (CAS 1373029-04-9)
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- tert-Butyl 6-bromo-3-formyl-1H-indazole-1-carboxylate (CAS 1365803-32-2)
- (E)-N'-(4-(Difluoromethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)-N,N-dimethylformimidamide (CAS 1927858-80-7)
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- 2-(3-Bromo-2,2-dimethylpropyl)-1-methoxy-4-methylbenzene (CAS 1483156-24-6)
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