(E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(3-(trifluoromethyl)benzyl) oxime CAS 337921-45-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 337921-45-6 |
| Molecular Formula | C20H20F3NO4 |
| Molecular Weight | 395.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(3-(trifluoromethyl)benzyl) oxime (CAS 337921-45-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H20F3NO4. Molecular weight: 395.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H20F3NO4 |
| Molecular Weight | 395.37 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 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 | F-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- (Z)-2-(3,4-dimethoxyphenyl)-3-(4-morpholino-3-nitrophenyl)-2-propenenitrile (CAS 866019-42-3)
- N-((3,4-dimethoxyphenyl)sulfonyl)-N-(4-ethoxyphenyl)glycine (CAS 462064-77-3)
- N-(3,4-Dimethoxyphenyl)-5-methyl-11-oxo-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazoline-3-carboxamide (CAS 1574591-11-9)
- 1-[2-(3,4-DImethoxyphenyl)imidazo[1,2-a]pyridin-3-ylmethyl]piperidine-4-carboxylic acid (CAS 727977-51-7)
- 2-(4-(3,4-Dimethoxyphenyl)thiazol-2-yl)-3-((3-fluoro-4-methylphenyl)amino)acrylonitrile (CAS 333414-69-0)
- 3-(2,4-Dimethoxyphenyl)-N-[4-(propan-2-yl)phenyl]-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483995-07-9)
- 3-(2,5-Dimethoxyphenyl)-N-(4-((4-methylpiperazin-1-yl)methyl)phenyl)acrylamide (CAS 1921640-08-5)
- 9-(2,6-Dimethoxyphenyl)-1,8-dimethoxy-9H-xanthen-9-ol (CAS 95431-58-6)
Recommended Standards
- (S)-2-((S)-3-(1H-Imidazol-4-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanamido)pentanedioic acid (CAS 141262-41-1)
- 2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl)terephthalic acid (CAS 302602-92-2)
- Azathioprine Impurity 16 (CAS CATO-C4X-146316)
- (3a'R,4'S,6'R,7'R,7a'S)-4'-((R)-1,4-Dioxaspiro[4.5]decan-2-yl)tetrahydro-4'H-spiro[cyclohexane-1,2'-[1,3]dioxolo[4,5-c]pyran]-6',7'-diol (CAS 871360-09-7)
- 1-Boc-4-cyano-4-methylpiperidine (CAS 530115-96-9)
- 4,6-Dichloro-2-propylpyrimidine (CAS 1197-28-0)
- 4,4,4-Trifluoro-2-methylbutan-2-amine hydrochloride (CAS 93339-72-1)
- (3,3-Difluorocyclopentyl)methanamine oxalate (CAS 1807542-96-6)
- Deglucohellebrin (CAS 20300-44-1)
- β-Bag Cell Peptide (Aplysia californica) (CAS 109024-47-7)
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