478039-21-3 5-{[2-(4-chloro-3-fluorophenoxy)phenyl]methylene}-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione KS-000036HG CAS 478039-21-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478039-21-3 |
| Molecular Formula | C19H14ClFN2O4 |
| Molecular Weight | 388.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
478039-21-3 5-{[2-(4-chloro-3-fluorophenoxy)phenyl]methylene}-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione KS-000036HG (CAS 478039-21-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H14ClFN2O4. Molecular weight: 388.78 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H14ClFN2O4 |
| Molecular Weight | 388.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related chloro Standards
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- 2-{[(2-chloro-6-fluorophenyl)methyl]sulfanyl}-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazole (CAS 477857-20-8)
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Recommended Standards
- Afatinib Impurity 90 (CAS CATO-C4X-100690)
- 6-(4-Chlorophenyl)-2-oxo-1-(4-(trifluoromethyl)benzyl)-1,2-dihydropyridine-3-carbonitrile (CAS 339109-58-9)
- Tedizolid Impurity 31 (CAS 1239662-46-4)
- 2-((Tetrahydrofuran-3-yl)oxy)acetic acid (CAS 766539-53-1)
- N'-(2-Chloro-4-methylphenyl)quinoline-4-carbohydrazide (CAS 918296-20-5)
- Voriconazole Impurity 75 (CAS 321588-94-7)
- tert-Butyl 4-amino-4-(2-fluorophenyl)piperidine-1-carboxylate (CAS 1707369-76-3)
- N1-(Isoxazol-3-yl)-N2-((tetrahydrofuran-2-yl)methyl)oxalamide (CAS 899978-27-9)
- Muscarine (CAS 300-54-9)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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