4-Bromo-6-hydroxypyridin-2(1H)-one CAS 341007-87-2
| CAS No. | 341007-87-2 |
| Molecular Formula | C5H4BrNO2 |
| Molecular Weight | 189.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Bromo-6-hydroxypyridin-2(1H)-one.
4-Bromo-6-hydroxypyridin-2(1H)-one (CAS 341007-87-2) is a high-purity analytical reference standard with the molecular formula C5H4BrNO2 and a molecular weight of 189.99 g/mol.
Based on its molecular formula C5H4BrNO2, 4-Bromo-6-hydroxypyridin-2(1H)-one contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.99 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.
As a certified reference material (CRM), 4-Bromo-6-hydroxypyridin-2(1H)-one 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 | C5H4BrNO2 |
| Molecular Weight | 189.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-methyloxazole-4-carbaldehyde (CAS 1240598-14-4)
- 5-Bromo-1H-pyrrole-3-carboxylic acid (CAS 1269152-69-3)
- 3-Bromo-4,6-dihydrofuro[3,4-d]isoxazole (CAS 1393560-68-3)
- 4-Bromo-5-methylisoxazole-3-carbaldehyde (CAS 1484666-91-2)
- 2-Bromo-1-(isoxazol-3-yl)ethanone (CAS 855292-87-4)
- 2-Bromo-1-(isoxazol-5-yl)ethanone (CAS 237386-05-9)
- 2-Bromo-3-hydroxypyridine 1-oxide (CAS 6602-29-5)
- 3-Bromo-1-methylpyrrole-2,5-dione (CAS 65060-93-7)
Recommended Standards
- 4-Bromo-1H-pyrrole-2-carboxylic Acid (CAS 27746-02-7)
- 4-Bromofuran-2-carboxamide, 97% (CAS 957345-95-8)
- 3-Bromo-5-(oxiran-2-yl)-1,2-oxazole (CAS 76596-56-0)
- 5,7-Dichloro-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 500338-80-7)
- 5-Methyl-7-hydroxyisoflavone (CAS 55338-30-2)
- 1-(4-Methoxyphenyl)-4-phenylazetidine-2,3-dione (CAS 94612-33-6)
- Ethyl 6-cyclopentyl-4-hydroxyquinoline-3-carboxylate (CAS 55376-52-8)
- N-{[1-(2-Methoxybenzyl)piperidin-3-yl]methyl}-N,N-dimethylethane-1,2-diamine trihydrochloride (CAS 1185296-85-8)
- 1-(4-Aminophenyl)-3-(propan-2-yl)urea (CAS 70826-93-6)
- 4-Chloro-8-methylpteridine-6,7(5H,8H)-dione (CAS 1365605-05-5)
- 5-bromo-1-(trideuteriomethyl)indazole (CAS 1976004-20-2)
- Sodium hexachloroiridium(IV)ate hexahydrate (CAS 19567-78-3)
- Methyl 1-(2,4-dichlorobenzyl)-1H-indazole-3-carboxylate (CAS 252025-50-6)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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