2,6-Difluoro-4-methoxybenzoic Acid CAS 123843-65-2
| CAS No. | 123843-65-2 |
| Molecular Formula | C8H6F2O3 |
| Molecular Weight | 188.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,6-Difluoro-4-methoxybenzoic Acid (CAS 123843-65-2), molecular formula C8H6F2O3 and molecular weight 188.13 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2,6-Difluoro-4-methoxybenzoic Acid (C8H6F2O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2,6-Difluoro-4-methoxybenzoic 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 | C8H6F2O3 |
| Molecular Weight | 188.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening; 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.) | 1992 |
| Halogen Content | F-containing |
Related Difluoro Standards
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- 2,5-Difluoro-4-methoxybenzoic acid (CAS 1060739-01-6)
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- 3,5-Difluoro-4-(hydroxymethyl)benzoic acid (CAS 1211596-29-0)
- Methyl 3,6-difluoro-2-hydroxybenzoate (CAS 1214324-50-1)
- 2,6-Difluoro-3-hydroxy-benzoic acid methyl ester (CAS 1214332-41-8)
Recommended Standards
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- Methyl 3,4-difluoro-5-hydroxybenzoate (CAS 1214378-78-5)
- 2,6-Difluoro-4-nitrobenzyl amine (CAS 1260856-74-3)
- 6-(aminomethyl)-2,3-dihydropyridazin-3-one hydrochloride (CAS 90175-93-2)
- 416865-72-0 Benzo[1,3]dioxol-5-ylmethyl-(1-methyl-piperidin-4-yl)-amine N-(benzo[d][1,3]dioxol-5-ylmethyl)-1-methylpiperidin-4-amine (CAS 416865-72-0)
- 1-(2-Chloropyridin-3-yl)cyclopropan-1-amine hydrochloride (CAS 2149589-53-5)
- N'-tert-Butyl-N'-phenylbenzohydrazide (CAS 866153-75-5)
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- 2-(Ethoxymethyl)isoindoline-1,3-dione (CAS 2860-50-6)
- 2-Bromo-2-methyl-1-(4-methylpiperazin-1-yl)propan-1-one (CAS 1225950-57-1)
- N-Propylmethacrylamide (CAS 7370-89-0)
- 4-Ethyl-5-{1-[(4-methoxyphenyl)sulfonyl]-4-piperidinyl}-4H-1,2,4-triazole-3-thiol (CAS 478047-93-7)
- Semaglutide impurity 256 (CAS CATO-C4X-2226256)
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