5-Bromo-6-(difluoromethyl)pyrimidine-2,4(1H,3H)-dione CAS 1706456-91-8
| CAS No. | 1706456-91-8 |
| Molecular Formula | C5H3BrF2N2O2 |
| Molecular Weight | 240.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Bromo-6-(difluoromethyl)pyrimidine-2,4(1H,3H)-dione (CAS 1706456-91-8), molecular formula C5H3BrF2N2O2 and molecular weight 240.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H3BrF2N2O2, 5-Bromo-6-(difluoromethyl)pyrimidine-2,4(1H,3H)-dione contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.99 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-6-(difluoromethyl)pyrimidine-2,4(1H,3H)-dione 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 | C5H3BrF2N2O2 |
| Molecular Weight | 240.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 3-Bromo-1-(difluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 1713589-83-3)
- 5-Bromo-1,1,1,2,2-pentafluoropentane (CAS 1383437-60-2)
- 3-Bromo-5-(trifluoromethyl)phenol (CAS 1025718-84-6)
- 4-Bromo-6-methyl-2-(trifluoromethyl)pyrimidine (CAS 1100767-01-8)
- 4-Bromo-2-methyl-6-(trifluoromethyl)pyrimidine (CAS 1100767-02-9)
- 5-Bromo-4-methyl-2-(trifluoromethyl)pyrimidine (CAS 1100767-04-1)
- 5-Bromo-2-(trifluoromethyl)phenol (CAS 1121585-15-6)
- 4-Bromo-6-(trifluoromethyl)pyridin-3-amine (CAS 1196152-12-1)
Recommended Standards
- 2,6-Difluoro-4-iodopyridine (CAS 685517-71-9)
- 2,6-Difluoro-3-iodopyridine (CAS 685517-67-3)
- 2,3-Dichloro-5-(trifluoromethyl)isonicotinonitrile (CAS 1198475-29-4)
- 2,4-difluoro-5-iodopyridine (CAS 837364-89-3)
- 1,2-Dibromo-4-chloro-1,1,2-trifluorobutane (CAS 502457-70-7)
- tert-Butyl (3-amino-2-methyl-3-oxopropyl)carbamate (CAS 143979-23-1)
- [6-(4-Isoxazol-5-yl-phenyl)-4-trifluoromethyl-pyridin-2-yl]-dimethyl-amine (CAS 1311280-04-2)
- Benoxathian Hydrochloride (CAS 92642-97-2)
- N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-bromoacetamide (CAS 1225984-53-1)
- 5-([2-[(5-Mercapto-1,3,4-thiadiazol-2-yl)thio]ethyl]thio)-1,3,4-thiadiazole-2-thiol (CAS 10486-54-1)
- n-Undecylcyclohexane (CAS 54105-66-7)
- 1-(1-chloroethyl)-3-methylbenzene (CAS 19935-78-5)
- 5-Bromo-4-(chloromethyl)-1-methyl-1H-pyrazole (CAS 1879308-39-0)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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