(E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(4-chlorobenzyl) oxime CAS 478260-69-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478260-69-4 |
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(4-chlorobenzyl) oxime (CAS 478260-69-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H20ClNO4. Molecular weight: 361.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- (4-Chlorophenyl)(5-methoxy-3-phenyl-1H-indol-1-yl)methanone (CAS 22789-48-6)
- (S)-Ethyl 6-(N-(2-chloro-4-fluorophenyl)sulfamoyl)cyclohex-1-enecarboxylate (CAS 243984-10-3)
- (2E)-N-[(4-Chlorophenyl)methyl]-3-(2,3,4-trimethoxyphenyl)prop-2-enamide (CAS 647031-59-2)
- 3-(4-chlorobenzyl)-4-(5-chloro-1,3-thiazol-2-yl)-2-butanone (CAS 478248-67-8)
- 4-Amino-1-(2-methoxyethyl)-1H-pyrazole (CAS 948570-74-9)
- 2-Methylisonicotinohydrazide hydrochloride (CAS 3758-59-6)
- 3-(3,5-Dimethyl-1H-pyrazol-4-yl)-N-methylpropan-1-amine (CAS 936939-86-5)
- 1-((4-Chloro-3,5-dimethylphenoxy)methyl)-3,5-dimethyl-1h-pyrazol-4-amine (CAS 1004192-81-7)
- (Tetrahydrofuran-2-yl)methyl butyrate (CAS 2217-33-6)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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