2-Bromo-4-methylpyrimidin-5-ol CAS 1807226-28-3
| CAS No. | 1807226-28-3 |
| Molecular Formula | C5H5BrN2O |
| Molecular Weight | 189.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 189.01 g/mol gives 2-Bromo-4-methylpyrimidin-5-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-4-methylpyrimidin-5-ol (CAS 1807226-28-3), molecular formula C5H5BrN2O and molecular weight 189.01 g/mol, is a CATO reference standard with documented purity and traceability.
2-Bromo-4-methylpyrimidin-5-ol (C5H5BrN2O) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 2-Bromo-4-methylpyrimidin-5-ol 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 | C5H5BrN2O |
| Molecular Weight | 189.01 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 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 5-Bromo-3-methylpyrazin-2-ol (CAS 100047-56-1)
- 2-Bromo-5-hydrazinylpyrazine (CAS 1001050-24-3)
- (4-bromo-1H-pyrazol-1-yl)acetaldehyde (CAS 1007550-84-6)
- 6-Bromo-2-methyl-3(2H)-pyridazinone (CAS 1123169-25-4)
- 2-Bromo-5-hydrazinylpyrimidine (CAS 1174413-61-6)
- 3-Bromo-1-methylpyrazin-2(1H)-one (CAS 1187017-25-9)
- 2-Bromo-5-methoxypyrimidine (CAS 1209459-99-3)
- 2-Bromo-3-methoxypyrazine (CAS 1209905-41-8)
Recommended Standards
- (2-Bromopyrimidin-4-yl)methanol (CAS 1807200-33-4)
- 3-Bromo-5-methyl-2-furancarboxaldehyde (CAS 183562-13-2)
- 2-Amino-6-bromopyridin-4-ol (CAS 1807033-71-1)
- 6-Bromo-1-methylpyrazin-2(1H)-one (CAS 1849219-04-0)
- 2-(2,5-Dimethoxyphenyl)-1-isopropylpiperidine (CAS 1355226-24-2)
- 6-Bromothiazolo[4,5-b]pyridine (CAS 1264193-12-5)
- N-(4-Methylthiazol-2-yl)-2-(5-(thiophen-2-yl)isoxazol-3-yl)acetamide (CAS 946317-13-1)
- Ethyl 8-oxo-8-(3-(trifluoromethyl)phenyl)octanoate (CAS 898777-79-2)
- (Acetonitrile)[(2-di-<I>tert</I>-butylphosphino-3,4,5,6-tetramethyl)-2′,4′,6′-triisopropylbiphenyl]gold(I) hexafluoroantimonate (CAS 1334547-72-6)
- Crisaborole Impurity 40 (CAS 13321-75-0)
- 1-(3-(Bromomethyl)phenyl)cyclopropanecarbonitrile (CAS 1415325-04-0)
- 4-Iodo-2,3-dimethoxy-5-(trifluoromethyl)pyridine (CAS 1261365-81-4)
- 2-Propenoyl chloride, 3-(4-chlorophenyl)-, (E)- 95602-71-4 ACMC-20m00y (CAS 95602-71-4)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
Why CATO?
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