6-Chloro-2-(4-fluorophenyl)-4H-chromen-4-one CAS 213894-75-8
| CAS No. | 213894-75-8 |
| Molecular Formula | C15H8ClFO2 |
| Molecular Weight | 274.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-2-(4-fluorophenyl)-4H-chromen-4-one (CAS 213894-75-8), molecular formula C15H8ClFO2 and molecular weight 274.67 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, a polycyclic aromatic system, 6-Chloro-2-(4-fluorophenyl)-4H-chromen-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 274.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 6-Chloro-2-(4-fluorophenyl)-4H-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H8ClFO2 |
| Molecular Weight | 274.67 g/mol |
| Appearance | Pale yellow to 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3-Chloro-4-fluorophenethyl ethyl oxalate (CAS 1443309-36-1)
- 3-Chloro-5-fluorophenethyl ethyl oxalate (CAS 1443309-55-4)
- 4-Chloro-3-fluorophenethyl ethyl oxalate (CAS 1443343-31-4)
- 6-Chloro-2-(2-fluorophenyl)-4H-chromen-4-one (CAS 213894-66-7)
- 6-Chloro-2-(3-fluorophenyl)-4H-chromen-4-one (CAS 213894-72-5)
- 7-Chloro-2-(4-fluorophenyl)-4H-chromen-4-one (CAS 766511-64-2)
- 5-Chloro-6-(3-cyanophenoxy)nicotinic acid (CAS 1016739-05-1)
- 5-Chloro-6-nitro-2-phenylbenzo[d]oxazole (CAS 102405-44-7)
Recommended Standards
- 6-Chloro-2-(3-fluorophenyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1048917-56-1)
- 2-(4-Chlorophenyl)-6-fluoro-4H-chromen-4-one (CAS 288400-97-5)
- 2-(5,7-Dioxo-5,7-dihydro-6h-pyrrolo[3,4-b]pyridin-6-yl)ethane-1-sulfonyl chloride (CAS 1105192-46-8)
- 2-(4-(Chloromethyl)phenyl)-1-methyl-4-(trifluoromethyl)-1H-imidazole (CAS 2446481-81-6)
- (E)-3-(3-chloro-4-methoxyphenyl)-1-(4-nitrophenyl)-2-propen-1-one 861207-61-6 KS-00001U7D (CAS 861207-61-6)
- (4-Methyl-1H-imidazol-5-yl)methanamine hydrochloride (CAS 1332530-78-5)
- 3-(Naphthalen-1-yl)propanal (CAS 53531-16-1)
- MEGA-12 (CAS 87246-72-8)
- 2-(3-Amino-5-thioxo-4,5-dihydropyrazin-2-yl)acetic acid (CAS 161143-84-6)
- N-Allyl-N-phenylaniline (CAS 65178-51-0)
- 2-(Aminomethyl)-6-(trifluoromethyl)pyridin-4-ol (CAS 1393555-29-7)
- tert-Butyl7-methyl-1,2,3,5-tetrahydro-4H-benzo[e][1,4]diazepine-4-carboxylate (CAS 886364-42-7)
- 1,3-Diethoxy-2,4-difluorobenzene (CAS 1208074-89-8)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
Why CATO?
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