(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-chloro-3-nitrophenyl)prop-2-en-1-one CAS 338415-88-6
| CAS No. | 338415-88-6 |
| Molecular Formula | C16H10ClNO5 |
| Molecular Weight | 331.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-chloro-3-nitrophenyl)prop-2-en-1-one (CAS 338415-88-6) is a high-purity analytical reference standard with the molecular formula C16H10ClNO5 and a molecular weight of 331.71 g/mol.
Based on its molecular formula C16H10ClNO5, (2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-chloro-3-nitrophenyl)prop-2-en-1-one contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H10ClNO5 |
| Molecular Weight | 331.71 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 6-((6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)difluoromethyl)quinoline (CAS 1151800-43-9)
- 1-(4-Chlorobenzyl)-5-nitro-1H-indole-2,3-dione 3-oxime (CAS 303740-87-6)
- 5-(2-Chloro-5-nitrophenyl)-3-(2-methoxyphenyl)-1,2,4-oxadiazole (CAS 1119395-82-2)
- 2-(5-Chloro-2-methoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 690967-38-5)
- 1,1,3,3-Tetramethyl-5-phenylisoindoline (CAS 86762-52-9)
- CAS 2267306-15-8 (CAS 2267306-15-8)
- 5-Iodo-A-85380, 5-Trimethylstannyl N-BOC Derivative (CAS 213766-21-3)
- 1-(4-Bromobenzyl)-1h-imidazole-2-carboxylic acid (CAS 1439899-09-8)
- 2-(2,2-Difluoroethoxy)pyrimidine-5-carbaldehyde (CAS 1565712-50-6)
- 2-chloro-5-(propan-2-yl)benzene-1-sulfonyl chloride (CAS 1803597-45-6)
- N1-(2,5-Difluorophenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide (CAS 1207043-63-7)
- 3-Fluoro-4'-formyl-[1,1'-biphenyl]-4-carbonitrile (CAS 851340-77-7)
- (4S)-(+)-4-(2-HYDROXYETHYL)-2,2-DIMETHYL-1,3-DIOXOLANE (S)-2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethanol 32233-43-5 ABP001147 (CAS 32233-43-5)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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 18665070610 / Nicole.chen@cato-chem.com