Ethyl 5-bromo-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate CAS 1269292-57-0
| CAS No. | 1269292-57-0 |
| Molecular Formula | C10H9BrN4O2 |
| Molecular Weight | 297.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 5-bromo-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 5-bromo-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate (CAS 1269292-57-0), molecular formula C10H9BrN4O2 and molecular weight 297.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H9BrN4O2, Ethyl 5-bromo-1-(pyrimidin-2-yl)-1H-pyrazole-4-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 297.11 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.
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.
CATO manufactures Ethyl 5-bromo-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H9BrN4O2 |
| Molecular Weight | 297.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; 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.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 6-Bromo-2-(pyridin-2-yl)quinoline-4-carbonyl chloride (CAS 1203335-92-5)
- 2-(5-(Methoxycarbonyl)bicyclo[3.1.1]Heptan-1-yl)acetic acid (CAS 2168990-29-0)
- N-([1,3]Dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6-yl)isoxazole-5-carboxamide (CAS 941994-10-1)
- 5-[4-(trifluoromethyl)phenyl]morpholin-3-one (CAS 1391087-84-5)
- 2-Ethynyl-5-(trifluoromethyl)pyrimidine (CAS 1196153-58-8)
- 3-(Pyrimidin-2-yl)propanoic acid (CAS 439108-20-0)
- 7-Bromo-3-iodoisoquinoline (CAS 2089318-84-1)
- N-(4-bromophenyl)thiazole-5-carboxamide (CAS 7112-94-9)
- tert-Butyl 5-bromo-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (CAS 2251731-93-6)
- Acetyl Hexapeptide-39 (CAS 1382088-38-1)
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