(E)-4-(2-Chloro-phenyl)-but-3-en-2-one CAS 20766-37-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20766-37-4 |
| Molecular Formula | C10H9ClO |
| Molecular Weight | 180.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-(2-Chloro-phenyl)-but-3-en-2-one (CAS 20766-37-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H9ClO. Molecular weight: 180.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1962 |
| Halogen Content | Cl-containing |
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Recommended Standards
- (E)-4-(2-Chlorophenyl)but-3-en-2-one (CAS 91574-67-3)
- (E)-4-(3-Chlorophenyl)but-3-en-2-one (CAS 30626-02-9)
- (E)-2-methyl-3-phenyl-acryloylchloride (CAS 35086-87-4)
- (E)-3-(3,5-dibromo-4-(2-methoxy-2-oxoethoxy)phenyl)acrylic acid (CAS 937599-58-1)
- Ethyl 5-bromo-1-(4-methoxybenzyl)-1H-1,2,3-triazole-4-carboxylate (CAS 2361218-30-4)
- Morpholino(pyrrolidin-3-yl)methanone hydrochloride (CAS 192869-54-8)
- tert-Butyl N-[(1S,4S,5R)-2-azabicyclo[2.2.1]heptan-5-yl]carbamate (CAS 2306249-50-1)
- 4-(Furan-2-yl)-2-phenyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine (CAS 339279-64-0)
- Methyl 2-chloro-5-[3-(methoxycarbonyl)phenyl]benzoate (CAS 1820647-93-5)
- Tirzepatide Impurity 47 (CAS CATO-C4X-324047)
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