5-Bromo-2,6-dimethyl-1H-pyrimidin-4-one CAS 858269-28-0
| CAS No. | 858269-28-0 |
| Molecular Formula | C6H7BrN2O |
| Molecular Weight | 203.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Bromo-2,6-dimethyl-1H-pyrimidin-4-one (CAS 858269-28-0), molecular formula C6H7BrN2O and molecular weight 203.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H7BrN2O, 5-Bromo-2,6-dimethyl-1H-pyrimidin-4-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-Bromo-2,6-dimethyl-1H-pyrimidin-4-one 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 | C6H7BrN2O |
| Molecular Weight | 203.04 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-1-ethyl-1h-pyrazole-3-carbaldehyde (CAS 1001519-36-3)
- 4-Bromo-1-ethyl-1h-pyrazole-5-carbaldehyde (CAS 1001519-37-4)
- 3-Bromo-5,6-dimethyl-1,2-dihydropyrazin-2-one (CAS 100450-13-3)
- 2-Bromo-6-ethoxypyrazine (CAS 1027512-76-0)
- 2-Bromo-5-methoxypyridin-3-amine (CAS 1043688-99-8)
- 2-Bromo-5-ethoxypyrazine (CAS 1060803-83-9)
- 5-Bromo-N2-methyl-2,4-pyrimidinediamine (CAS 1074-49-3)
- 2-Bromo-4-methoxypyridin-3-amine (CAS 109613-97-0)
Recommended Standards
- 5-Amino-3-bromo-2-methoxypyridine (CAS 53242-18-5)
- 5-Bromo-2-methoxy-4-methylpyrimidine (CAS 38696-23-0)
- 5-(bromomethyl)pyrimidine-2,4-diamine dihydrobromide (CAS 89446-58-2)
- 5-Bromo-3-methoxypyridin-2-amine, 97% (CAS 42409-58-5)
- 1-[2-(4-Bromophenyl)ethyl]cyclopropan-1-amine (CAS 1502181-47-6)
- 5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE HEMISULFATE (CAS 32014-70-3)
- 2-(1-(Benzo[d][1,3]dioxol-5-yl)ethylidene)malononitrile (CAS 301357-18-6)
- 2,2,2-Trifluoro-1-(tetrahydrothiophen-2-yl)ethan-1-one (CAS 1409268-38-7)
- Eltrombopag Impurity 44 (CAS 1782285-05-5)
- Tert-butyl 2-(aminomethyl)-3-azabicyclo[4.1.0]Heptane-3-carboxylate (CAS 2306261-92-5)
- 1,3-Bis(4-fluorophenyl)propane-1,3-dione (CAS 1493-51-2)
- 1-Bromo-2-(2,6-difluoro-4-(trifluoromethyl)phenoxy)-3-fluoro-4-(trifluoromethoxy)benzene (CAS 2244085-02-5)
- 2-(4-(Difluoromethyl)-2,5-dihydroxypyridin-3-yl)acetic acid (CAS 1806893-04-8)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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