3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid CAS 1708401-49-3
| CAS No. | 1708401-49-3 |
| Molecular Formula | C11H8F2O4 |
| Molecular Weight | 242.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid.
CATO supplies 3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid (CAS 1708401-49-3), a certified reference material (molecular formula C11H8F2O4, MW 242.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H8F2O4, 3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 242.18 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 3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid 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 | C11H8F2O4 |
| Molecular Weight | 242.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
Related Difluoromethoxy Standards
- 3-(Difluoromethoxy)-7-methylbenzofuran-2-carboxylic acid (CAS 1774901-76-6)
- 5-[4-(Difluoromethoxy)-3-methoxyphenyl]-2H-tetrazole (CAS 832739-31-8)
- 1-(2-(Difluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-ol (CAS 1251088-23-9)
- 1-(Difluoromethoxy)-4-methyl-2-(trifluoromethoxy)benzene (CAS 1261748-50-8)
- 1-(4-(Difluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-ol (CAS 150698-83-2)
- 1-(3-(Difluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-ol (CAS 2229294-07-7)
- 4-[4-(difluoromethoxy)phenyl]-1,3-thiazol-2-amine (CAS 105512-78-5)
- 4-(3-(Difluoromethoxy)phenyl)thiazol-2(3h)-imine (CAS 1094363-93-5)
Recommended Standards
- 2-(3,3-Difluoroazetidin-1-yl)-6-nitrobenzaldehyde 1707604-67-8 (CAS 1707604-67-8)
- 2-(3,3-Difluoroazetidin-1-yl)-4-nitrobenzaldehyde 1713160-73-6 (CAS 1713160-73-6)
- 2-(3,3-Difluoroazetidin-1-yl)-5-nitrobenzaldehyde (CAS 1707365-24-9)
- Methyl 4-(2,5-difluorophenyl)-2,4-dioxobutanoate (CAS 175711-74-7)
- n-(4-Hydroxyphenyl)-n,4-dimethylbenzene-1-sulfonamide (CAS 124772-05-0)
- 1-Benzylcyclopropane-1-carbaldehyde (CAS 537707-02-1)
- 2-(2-Methylbenzoyl)pyridine (CAS 54523-78-3)
- 5-Fluoro-2-methyl-N-(3-methylbutan-2-yl)aniline (CAS 1021139-77-4)
- Iguratimod impurity 99 (CAS CATO-C4X-182699)
- 8-Methyl-3a,4,5,9b-tetrahydro-3 H -cyclopenta[ c ]quinoline-4-carboxylic acid (CAS 354815-91-1)
- 3-((5-Amino-1,3,4-thiadiazol-2-yl)thio)azepan-2-one (CAS 1019350-52-7)
- (S)-3-(7-bromo-1H-indol-3-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 612484-55-6)
- tert-Butyl 5-(aminomethyl)-1H-indole-1-carboxylate hydrochloride (CAS 1390654-71-3)
- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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