2,5-Dichloro-4-(difluoromethoxy)mandelic acid CAS 1807185-11-0
| CAS No. | 1807185-11-0 |
| Molecular Formula | C9H6Cl2F2O4 |
| Molecular Weight | 287.04 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.
2,5-Dichloro-4-(difluoromethoxy)mandelic acid (CAS 1807185-11-0), molecular formula C9H6Cl2F2O4 and molecular weight 287.04 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, 2,5-Dichloro-4-(difluoromethoxy)mandelic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 287.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2,5-Dichloro-4-(difluoromethoxy)mandelic 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 | C9H6Cl2F2O4 |
| Molecular Weight | 287.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1995 |
| Halogen Content | F/Cl-containing |
Related Dichloro Standards
- 2,3-Dichloro-5-(difluoromethoxy)mandelic acid (CAS 1803714-71-7)
- 3,4-Dichloro-2-(difluoromethoxy)mandelic acid (CAS 1803714-73-9)
- 2,5-Dichloro-3-(difluoromethoxy)mandelic acid (CAS 1803806-58-7)
- 4,5-Dichloro-2-(difluoromethoxy)mandelic acid (CAS 1803832-53-2)
- 2,4-Dichloro-3-(difluoromethoxy)mandelic acid (CAS 1804516-78-6)
- 3,5-Dichloro-2-(difluoromethoxy)mandelic acid (CAS 1804884-52-3)
- 3,4-Dichloro-5-(difluoromethoxy)mandelic acid (CAS 1806297-50-6)
- 2,3-Dichloro-4-(difluoromethoxy)mandelic acid (CAS 1806328-73-3)
Recommended Standards
- 2,4-Dichloro-5-(difluoromethoxy)mandelic acid (CAS 1807060-22-5)
- 8-Iodoquinoline-2,4(1H,3H)-dione (CAS 1025796-05-7)
- 2,6-Dichloro-4-(difluoromethoxy)mandelic acid (CAS 1807037-45-1)
- 4-Iodo-1H-indole-3-carboxylic acid (CAS 106830-34-6)
- 3-(4-Bromo-1h-pyrazol-1-yl)-2-hydroxy-2-methylpropanoic acid (CAS 1342150-55-3)
- 2-[4-[Methyl(2-naphthalenylsulfonyl)amino]phenoxy]acetic acid (CAS 565192-23-6)
- (2-Chloropyridin-4-yl)(2-methylpiperidin-1-yl)methanone (CAS 1019372-03-2)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-acetamide (CAS 1083326-46-8)
- Protoveratrine A (CAS 143-57-7)
- Triethylmelamine (CAS 16268-92-1)
- Verazide (CAS 93-47-0)
- Benzyl (((1s,3s)-3-amino-1-methylcyclobutyl)methyl)carbamate (CAS 2227198-52-7)
- 3-(((3-Bromothiophen-2-yl)methyl)amino)propan-1-ol (CAS 1247716-66-0)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
Why CATO?
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