1-(2-Chloro-4-fluorophenyl)pentan-2-one CAS 1247571-49-8
| CAS No. | 1247571-49-8 |
| Molecular Formula | C11H12ClFO |
| Molecular Weight | 214.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Chloro-4-fluorophenyl)pentan-2-one (CAS 1247571-49-8) is a high-purity analytical reference standard with the molecular formula C11H12ClFO and a molecular weight of 214.66 g/mol.
Based on its molecular formula C11H12ClFO, 1-(2-Chloro-4-fluorophenyl)pentan-2-one contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 214.66 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.
As a certified reference material (CRM), 1-(2-Chloro-4-fluorophenyl)pentan-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 | C11H12ClFO |
| Molecular Weight | 214.66 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 5-Chloro-1-(2-fluorophenyl)pentan-2-one (CAS 1056459-35-8)
- 1-(2-Chloro-6-fluorophenyl)pentan-2-one (CAS 1179741-86-6)
- 1-(3-Chloro-4-fluorophenyl)-3-methylbutan-1-one (CAS 1268052-38-5)
- 1-(3-Chloro-4-fluorophenyl)pentan-1-one (CAS 1339657-45-2)
- 1-(3-Chloro-2-fluorophenyl)pentan-1-one (CAS 1343048-33-8)
- 1-(4-Chloro-2-fluorophenyl)pentan-1-one (CAS 1343879-99-1)
- 1-(4-Chloro-3-fluorophenyl)-3-methylbutan-1-one (CAS 1352208-38-8)
- 1-(3-Chloro-5-fluorophenyl)pentan-1-one (CAS 1352208-92-4)
Recommended Standards
- 2,6-Mecoprop (CAS 35851-12-8)
- Monolinuron (CAS 1746-81-2)
- Mecoprop (CAS 93-65-2)
- Mecoprop-P (CAS 16484-77-8)
- 1-(2,4,6-Trifluorophenyl)ethan-1-amine (CAS 1021016-20-5)
- 3-Methylbut-2-enoyl chloride contains 400 ppm phenothiazine as inhibitor 3,3-Dimethylacryloyl chloride 3-Methylcrotonoyl chloride Senecioyl chloride 3-Methyl-2-butenoyl chloride 3350-78-5 (CAS 3350-78-5)
- 3-(5-Chlorothiophen-2-yl)-N'-(2-ethoxybenzylidene)-1H-pyrazole-5-carbohydrazide (CAS 303106-95-8)
- 3-Ethyloctan-1-ol (CAS 35119-86-9)
- 1-Allyl-2-(2-chloropyridin-3-yl)-5,6-dimethyl-1H-benzo[d]imidazole (CAS 344279-16-9)
- 4-(2-Aminophenyl)-2-oxobutanoic acid (CAS 2694809-97-5)
- N,N-Biphenyl-4,4-diylbis(2-chloropropanamide) (CAS 882321-61-1)
- 2-(Tetrahydro-2H-pyran-4-yl)-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridin-3-ol (CAS 1710345-23-5)
- Molybdenum(IV) selenide (CAS 12058-18-3)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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