2,6-Difluoropyrimidin-4(3H)-one CAS 256234-39-6
Purity 97%+In StockPharmaceutical Standards
| 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
2,6-Difluoropyrimidin-4(3H)-one (CAS 256234-39-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H2F2N2O. Molecular weight: 132.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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)
- N-(4-Iodophenyl)-3-(5-methylfuran-2-yl)propanamide (CAS 874465-02-8)
- 1-(Benzyloxy)-3-bromopropan-2-ol (CAS 148173-18-6)
- (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)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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 13829788188 / jacky.chen@cato-chem.com