(E)-4-(2,4-Dichloro-phenyl)-but-3-en-2-one CAS 61888-78-6
| CAS No. | 61888-78-6 |
| Molecular Formula | C10H8Cl2O |
| Molecular Weight | 215.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H8Cl2O, (E)-4-(2,4-Dichloro-phenyl)-but-3-en-2-one contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (E)-4-(2,4-Dichloro-phenyl)-but-3-en-2-one (CAS 61888-78-6), a certified reference material (molecular formula C10H8Cl2O, MW 215.08 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C10H8Cl2O |
| Molecular Weight | 215.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
Related E Standards
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- 6,8-Dichloro-2-tetralone (CAS 113075-86-8)
- 2,2-Dichloro-1-phenyl-cyclopropanecarbaldehyde (CAS 122801-51-8)
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Recommended Standards
- 2-Amino-3-(2,4-dichlorophenyl)propanenitrile (CAS 1889970-48-2)
- (E)-4-(2,6-Dichlorophenyl)but-3-en-2-one (CAS 55420-71-8)
- 2-(3,4-Dichlorophenyl)-2-(methylamino)acetonitrile (CAS 181640-85-7)
- (E)-4-(3,4-Dichlorophenyl)but-3-en-2-one (CAS 55420-70-7)
- 5,6-Difluoro-3-iodo-1H-indazole (CAS 944904-40-9)
- 2-Methyl-4-((5-nitrothiophen-2-yl)methylene)oxazol-5(4H)-one (CAS 31271-13-3)
- Ethyl 2-chloro-5-methylphenylacetic acid (CAS 91552-39-5)
- (4,4-dioxo-1,4-oxathiepan-6-yl)methanamine (CAS 1895475-15-6)
- (2E)-1-(2-Chlorophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 590401-42-6)
- N-(4-methoxybutyl)tetrahydro-2H-thiopyran-4-amine (CAS 1247215-98-0)
- N-(4-bromobenzyl)-1-cyclopropylethan-1-amine (CAS 1155605-37-0)
- Aglain B (CAS 177262-32-7)
- N-(2-morpholinophenyl)pentanamide (CAS 303151-46-4)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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