1-(2-(Difluoromethoxy)pyridin-4-yl)ethanone CAS 2168254-69-9
| CAS No. | 2168254-69-9 |
| Molecular Formula | C8H7F2NO2 |
| Molecular Weight | 187.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-(Difluoromethoxy)pyridin-4-yl)ethanone (CAS 2168254-69-9), molecular formula C8H7F2NO2 and molecular weight 187.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7F2NO2, 1-(2-(Difluoromethoxy)pyridin-4-yl)ethanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 1-(2-(Difluoromethoxy)pyridin-4-yl)ethanone 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 | C8H7F2NO2 |
| Molecular Weight | 187.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoromethoxy Standards
- 6-(Difluoromethoxy)-4-methylnicotinaldehyde (CAS 1079352-17-2)
- 1-(6-(Difluoromethoxy)pyridin-3-yl)ethan-1-one (CAS 1198166-10-7)
- 1-(5-(Difluoromethoxy)pyridin-3-yl)ethan-1-one (CAS 1438599-43-9)
- 1-(5-(Difluoromethoxy)pyridin-2-yl)ethan-1-one (CAS 1454887-03-6)
- 4-(Difluoromethoxy)benzamide (CAS 147992-28-7)
- 3-(Difluoromethoxy)-6-methylpyridine-2-carbaldehyde (CAS 1541672-73-4)
- n-{[2-(difluoromethoxy)phenyl]methylidene}hydroxylamine (CAS 332110-52-8)
- N-{[4-(difluoromethoxy)phenyl]methylidene}hydroxylamine (CAS 556016-57-0)
Recommended Standards
- 1-(1,1-Difluoroethyl)-4-nitrobenzene (CAS 32471-55-9)
- 1,3-Difluoro-5-(2-nitroethyl)benzene (CAS 869527-91-3)
- 1-(1,1-Difluoroethyl)-3-nitrobenzene (CAS 40788-04-3)
- 2-(2,2,2-Trifluoroacetyl)hydrazinecarbothioamide (CAS 51321-51-8)
- 2-Amino-6-methylbenzene-1-thiol (CAS CATO-C3D-262364)
- m-PEG2-phosphonic acid (CAS 96962-41-3)
- 2-Methyl-6-oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]-quinoline-5-carboxylic acid (CAS 57771-89-8)
- 5-(2-Methanesulfonylpropan-2-yl)-2H-1,2,3,4-tetrazole (CAS 2126177-26-0)
- 5-(1-Butylpiperidin-2-yl)-4-methylpyridin-2(1H)-one (CAS 1352528-36-9)
- (6-Cyclohexyl-4-fluoropyridin-3-yl)boronic acid (CAS 2225175-38-0)
- 2-Hydrazinyl-1,5,6-trimethyl-1H-benzo[d]imidazole (CAS 22486-93-7)
- Carbonic acid methyl ester 2-vinyl-indan-2-yl ester (CAS 1446488-24-9)
- 2-Fluoro-4-(4-methylphenyl)-pyridine (CAS 2179038-23-2)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
Why CATO?
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