(E)-4-(2-Chlorophenyl)but-3-en-2-one CAS 91574-67-3
| CAS No. | 91574-67-3 |
| Molecular Formula | C10H9ClO |
| Molecular Weight | 180.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 180.63 g/mol gives (E)-4-(2-Chlorophenyl)but-3-en-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (E)-4-(2-Chlorophenyl)but-3-en-2-one (CAS 91574-67-3), a certified reference material (molecular formula C10H9ClO, MW 180.63 g/mol) for analytical method development and quality control.
The molecular framework of (E)-4-(2-Chlorophenyl)but-3-en-2-one (C10H9ClO) is characterized by a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (E)-4-(2-Chlorophenyl)but-3-en-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H9ClO |
| Molecular Weight | 180.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1983 |
| Halogen Content | Cl-containing |
Related E Standards
- 1-(4-Chlorophenyl)cyclopropane-1-carbaldehyde (CAS 100845-90-7)
- 3-(2-Chlorophenyl)cyclobutanone (CAS 1080636-35-6)
- 1-(3-Chlorophenyl)-2-methylprop-2-en-1-one (CAS 1193779-94-0)
- 1-(3-Chlorophenyl)cyclopropanecarbaldehyde (CAS 1213775-28-0)
- 2-(2-Chlorophenyl)cyclobutan-1-one (CAS 1242029-75-9)
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- 2-(4-Chlorophenyl)-4,5-dihydro-1H-imidazole (CAS 13623-52-4)
Recommended Standards
- (E)-2-methyl-3-phenyl-acryloylchloride (CAS 35086-87-4)
- (E)-4-(2-Chloro-phenyl)-but-3-en-2-one (CAS 20766-37-4)
- (7-Chloro-1H-indol-3-yl)methanamine (CAS 887581-96-6)
- (E)-4-(3-Chlorophenyl)but-3-en-2-one (CAS 30626-02-9)
- 2-(5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 88185-03-9)
- 4-Benzylpiperidine-1-carboximidamide acetate (CAS 1672675-23-8)
- 2-(2-(Trifluoromethyl)phenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrimidine (CAS 1799420-85-1)
- 2-Ethynyl-4-fluoropyridine (CAS 1379277-37-8)
- (S)-1-(4-fluoro-3-methoxyphenyl)but-3-en-1-amine (CAS 1269782-49-1)
- 2-Bromothiophene (CAS 1003-09-4)
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- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
Why CATO?
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