3-{1-[(4-chlorophenyl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}-1-(3,5-dichlorophenyl)urea CAS 338755-34-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338755-34-3 |
| Molecular Formula | C19H14Cl3N3O2 |
| Molecular Weight | 422.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-{1-[(4-chlorophenyl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}-1-(3,5-dichlorophenyl)urea (CAS 338755-34-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H14Cl3N3O2. Molecular weight: 422.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H14Cl3N3O2 |
| Molecular Weight | 422.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4,4'-Methylenebis(2,6-diisopropyl-N,N-dimethylaniline) (CAS 169501-63-7)
- 4-Amino-2-(hexadecylthio)-6-(methylthio)pyrimidine-5-carbonitrile (CAS 922526-97-4)
- Secalciferol-d6 (CAS 1440957-55-0)
- 2,4-Bis(4-ethynylphenyl)pyridine (CAS 1285694-84-9)
- n-(3-Fluorobenzyl)-3-methylpentan-2-amine (CAS 1039915-51-9)
- (S)-tert-Butyl 4-((R)-2-(hydroxymethyl)pent-4-en-1-yl)-2,2-dimethyloxazolidine-3-carboxylate (CAS 942144-13-0)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(furan-2-carboxamido)-4-methylthiophene-3-carboxylate (CAS 506416-41-7)
- N-[Cyclopropyl(phenyl)methyl]-n-hydroxyformamide (CAS 1148027-00-2)
- Methyl 3-amino-2-benzylpropanoate hydrochloride (CAS 864182-43-4)
- Peptide Impurity 82 (CAS 10491-78-8)
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