5-Fluoro-4-hydrazinylpyrimidin-2(1H)-one CAS 339363-33-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339363-33-6 |
| Molecular Formula | C4H5FN4O |
| Molecular Weight | 144.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-4-hydrazinylpyrimidin-2(1H)-one (CAS 339363-33-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5FN4O. Molecular weight: 144.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5FN4O |
| Molecular Weight | 144.11 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 | 4 |
Related Fluoro Standards
- 5-Fluoro-2-hydrazinylpyrimidin-4(3H)-one (CAS 1417349-42-8)
- 5-Fluoro-1H-imidazole-4-carbohydrazide (CAS 330953-77-0)
- 5-Fluoro-6-(fluoromethyl)pyridin-2-amine (CAS 1470093-02-7)
- 4-Fluoro-3-(fluoromethyl)phenol (CAS 2842053-94-3)
- 2-(4-Fluoro-1H-pyrazol-1-yl)acetic acid (CAS 1174309-02-4)
- 2-Fluoro-2-(furan-3-yl)acetic acid (CAS 1501521-84-1)
- 2-fluoro-2-(furan-2-yl)acetic acid (CAS 1512547-41-9)
- 2-Fluoro-2-(1H-pyrazol-1-yl)acetic acid (CAS 1536670-72-0)
Recommended Standards
- 3,4-Difluoroanisole (CAS 115144-40-6)
- 2-Amino-4-fluoro-1H-imidazole-5-carboxamide (CAS 89676-62-0)
- 2,3-Difluorophenylhydrazine (CAS 116681-58-4)
- 2-Acetamido-4-(2-methoxyphenyl)butanoic acid (CAS 1260662-76-7)
- 2-(1H-1,3-Benzodiazol-2-yl)-4-chloro-5-(piperidin-1-yl)-2,3-dihydropyridazin-3-one (CAS 554404-38-5)
- 4-(2-Bromophenyl)-2-chloro-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine-3-carbonitrile (CAS 1707585-55-4)
- N-Nitroso Proline (CAS 2571-28-0)
- Sodium hexafluorophosphate phosphate(1-), hexafluoro-, sodium (1:1) Sodium hexafluorophosphate(v) sodium hexa-fluoro phosphate 21324-39-0 (CAS 21324-39-0)
- 2-Amino-4-(4-(tert-butyl)phenyl)-5-methylthiophene-3-carboxamide (CAS 861451-49-2)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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