3-Chloro-4-hydroxybenzoic Acid Hemihydrate CAS 3964-58-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 3964-58-7 |
| Molecular Formula | C7H5ClO3·1/2H2O |
| Molecular Weight | 181.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chloro-4-hydroxybenzoic Acid Hemihydrate (CAS 3964-58-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H5ClO3·1/2H2O. Molecular weight: 181.57 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H5ClO3·1/2H2O |
| Molecular Weight | 181.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
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