2-Chloro-4-(4-fluoro-3-methoxyphenyl)phenol CAS 1261920-40-4
| CAS No. | 1261920-40-4 |
| Molecular Formula | C13H10ClFO2 |
| Molecular Weight | 252.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 252.67 g/mol gives 2-Chloro-4-(4-fluoro-3-methoxyphenyl)phenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-4-(4-fluoro-3-methoxyphenyl)phenol (CAS 1261920-40-4), molecular formula C13H10ClFO2 and molecular weight 252.67 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, an aromatic ring system, 2-Chloro-4-(4-fluoro-3-methoxyphenyl)phenol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 252.67 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 2-Chloro-4-(4-fluoro-3-methoxyphenyl)phenol 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 | C13H10ClFO2 |
| Molecular Weight | 252.67 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 5-Chloro-3-ethyl-1-(2-fluorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1152583-51-1)
- 5-Chloro-3-ethyl-1-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1152583-77-1)
- 2-Chloro-4-(3-fluoro-4-methoxyphenyl)phenol (CAS 1261892-00-5)
- 5-Chloro-2'-fluoro-3'-methoxy-[1,1'-biphenyl]-3-ol (CAS 1261920-31-3)
- 3-Chloro-2'-fluoro-4'-methoxy-[1,1'-biphenyl]-4-ol (CAS 1261931-63-8)
- 4-(3-Chloro-4-methoxyphenyl)-3-fluorophenol (CAS 1261946-56-8)
- 5-Chloro-3-ethyl-1-(3-fluorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1270722-72-9)
- 7-Chloro-6-fluoro-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridin-10(5H)-one (CAS 1370598-83-6)
Recommended Standards
- 5-(Chloromethyl)-3-(1-(4-fluorophenyl)cyclopropyl)-1,2,4-oxadiazole (CAS 1021436-47-4)
- 2-Chloro-4-(3-fluoro-4-methoxyphenyl)-5-methylpyrimidine (CAS 1375457-39-8)
- N-(6-Chloro-3-pyridazinyl)-2-(1H-1,2,4-triazol-1-yl)ethanimidohydrazide (CAS 477852-41-8)
- methyl 4-(chlorosulfonyl)-5-ethylfuran-2-carboxylate (CAS 1443981-74-5)
- tert-butyl 3,3-difluoro-5-hydroxy-azepane-1-carboxylate (CAS 2306275-44-3)
- 1-(4-chlorobenzyl)-1H-indol-5-yl cyanide (CAS 348111-51-3)
- Hydroxy-PEG12-Boc (CAS 2388521-20-6)
- 6-(3-Chlorophenyl)-2-(2-morpholinoethyl)-4-phenylpyridazin-3(2H)-one (CAS 23338-51-4)
- methyl cis-3-amino-1-methyl-cyclobutanecarboxylate (CAS 2231664-41-6)
- 1H-Benzimidazole-5-carboxylic Acid Methyl Ester Sulfate (CAS 131020-58-1)
- 5-[(4-tert-Butylphenyl)methoxy]-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 318284-66-1)
- 2-(4-Amino-1h-pyrazol-1-yl)-N-isopropyl-N-methylacetamide (CAS 1152853-94-5)
- 2-Cyclobutylideneethan-1-ol (CAS 4415-76-3)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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