2,6-Difluoropyrimidin-4(3H)-one CAS 256234-39-6
| CAS No. | 256234-39-6 |
| Molecular Formula | C4H2F2N2O |
| Molecular Weight | 132.07 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.
CATO supplies 2,6-Difluoropyrimidin-4(3H)-one (CAS 256234-39-6), a certified reference material (molecular formula C4H2F2N2O, MW 132.07 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H2F2N2O, 2,6-Difluoropyrimidin-4(3H)-one contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 132.07 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.
As a certified reference material (CRM), 2,6-Difluoropyrimidin-4(3H)-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 | C4H2F2N2O |
| Molecular Weight | 132.07 g/mol |
| 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoropyrimidin Standards
- 5,6-Difluoropyrimidin-4-amine (CAS 1403948-10-6)
- 2,6-Difluoropyrimidin-4-amine (CAS 675-12-7)
- 4,6-Difluoropyrimidin-5-amine (CAS 669-80-7)
- 1-(2,4-Difluoropyrimidin-5-yl)ethanol (CAS 161123-97-3)
- 4-(4,6-Difluoropyrimidin-2-yl)morpholine (CAS 189003-02-9)
- (R)-3-(2,5-Difluoropyrimidin-4-yl)-4-(fluoromethyl)oxazolidin-2-one (CAS 1628810-38-7)
Recommended Standards
- (2S,3S)-2,3-Oxiranedicarboxylic acid (CAS 17087-75-1)
- 3-Nitro-2-oxazolidinone (CAS 85430-60-0)
- Organic Acid Salt Standard - Malate (CAS 149-61-1)
- 4,6-Difluoro-2(1H)-pyrimidinone (CAS 67815-53-6)
- N-(4-Iodophenyl)-3-(5-methylfuran-2-yl)propanamide (CAS 874465-02-8)
- 1-(Benzyloxy)-3-bromopropan-2-ol (CAS 148173-18-6)
- (4-Cyclopropoxy-1,3-phenylene)dimethanamine (CAS 1243382-20-8)
- (E)-4-chloro-N-(2-(6-methyl-3-(methylthio)-1,2,4-triazin-5-yl)vinyl)aniline (CAS 1164532-30-2)
- methyl 3-amino-5,6,7,8-tetrahydronaphthalene-2-carboxylate (CAS 858022-64-7)
- Tert-butyl 4-(aminomethyl)-8-oxa-2-azaspiro[4.5]Decane-2-carboxylate (CAS 2306263-45-4)
- (3S,4S)-1-(tert-Butoxycarbonyl)-3-methoxypiperidine-4-carboxylic acid (CAS 1415741-35-3)
- 1-(4-Chlorophenyl)-2-((5-methyl-4h-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 37664-34-9)
- 2-Ethyl-3-piperidin-4-yl-3h-imidazo[4,5-b]pyridine (CAS 932470-05-8)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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