5-Bromo-2-methoxy-4-methylpyrimidine CAS 38696-23-0
| CAS No. | 38696-23-0 |
| Molecular Formula | C6H7BrN2O |
| Molecular Weight | 203.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.04 g/mol gives 5-Bromo-2-methoxy-4-methylpyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-2-methoxy-4-methylpyrimidine (CAS 38696-23-0) is a high-purity analytical reference standard with the molecular formula C6H7BrN2O and a molecular weight of 203.04 g/mol.
5-Bromo-2-methoxy-4-methylpyrimidine (C6H7BrN2O) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 5-Bromo-2-methoxy-4-methylpyrimidine 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.) | 1968 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 5-Bromo-2,6-dimethyl-1H-pyrimidin-4-one (CAS 858269-28-0)
- 5-Bromo-3-methoxypyridin-2-amine, 97% (CAS 42409-58-5)
- 5-Amino-3-bromo-2-methoxypyridine (CAS 53242-18-5)
- 5-Bromo-4,6-dimethyl-2(1H)-pyrimidinone (CAS 7781-20-6)
- (E)-({2-[(4-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)(methoxy)amine (CAS 478030-97-6)
- Cyclohex-3-en-1-yl(2-methylpiperidin-1-yl)methanone (CAS 69462-43-7)
- 851785-21-2 (S)-Methyl 2-amino-3-(3-(methylsulfonyl)phenyl)propanoate hydrochloride MFCD29037384 (CAS 851785-21-2)
- Z-Ala-Trp-OH (CAS 119645-65-7)
- 0568AD 1185535-91-4 2-(2-Pyridin-4-ylethyl)benzoic acid hydrochloride C14H14ClNO2 (CAS 1185535-91-4)
- 2,4-Dichlorophenyl 4-methylbenzenesulfonate (CAS 5328-03-0)
- Ethyl 2-ethoxy-7-hydroxybenzo[d][1,3]dioxole-5-carboxylate (CAS 733746-42-4)
- 7-Hydroxy-5-oxo-N-(thiazol-2-yl)-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide (CAS 224313-91-1)
- 4-Chloro-5-((propylthio)methyl)isoxazol-3(2H)-one (CAS 89660-93-5)
- Tirzepatide Impurity 45 (CAS CATO-C4X-324045)
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