3-Chloro-4-hydroxybenzoic acid hydrate(2:1) CAS 128161-59-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128161-59-1 |
| Molecular Formula | 2*C7H5ClO3 H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-hydroxybenzoic acid hydrate(2:1) (CAS 128161-59-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: 2*C7H5ClO3 H2O. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | 2*C7H5ClO3 H2O |
| Molecular Weight | 190.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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, 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.) | 1993 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 4-(2-hydroxyethyl)pyrrolidin-2-one (CAS 1319736-87-2)
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- Ecg (CAS 1257-08-5)
- N-(3-Methylisothiazol-5-yl)-4-nitro-1H-pyrrole-2-carboxamide (CAS 478493-09-3)
- Benzyl (S)-(((3-((tert-butoxycarbonyl)amino)-2-oxopiperidin-1-yl)imino)methyl)carbamate (CAS 51219-20-6)
- 2-Methyl-1,2,3,4-tetrahydroacridine (CAS 26706-97-8)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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