3,4-Dichloro-2-methylmandelic acid CAS 1807180-62-6
| CAS No. | 1807180-62-6 |
| Molecular Formula | C9H8Cl2O3 |
| Molecular Weight | 235.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dichloro-2-methylmandelic acid (CAS 1807180-62-6), molecular formula C9H8Cl2O3 and molecular weight 235.06 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H8Cl2O3, 3,4-Dichloro-2-methylmandelic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 3,4-Dichloro-2-methylmandelic 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 | C9H8Cl2O3 |
| Molecular Weight | 235.06 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 | Cl-containing |
Related Dichloro Standards
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Recommended Standards
- 5-Bromo-4-nitropyridine-3-thiol (CAS 1807102-34-6)
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- 2,4-Dichloro-6-methylmandelic acid (CAS 1806367-49-6)
- 2,3-D methyl ester (CAS 1928-56-9)
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