2,5-Dichloro-3-hydroxybenzoic acid CAS 165377-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 165377-89-9 |
| Molecular Formula | C7H4Cl2O3 |
| Molecular Weight | 207.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dichloro-3-hydroxybenzoic acid (CAS 165377-89-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4Cl2O3. Molecular weight: 207.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2O3 |
| Molecular Weight | 207.01 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 2,5-Dichloro-6-methyl-3-nitropyridine (CAS 1624260-64-5)
- 4-Amino-3,5-dichloropicolinic acid (CAS 17122-17-7)
- 3,6-Dichloro-2-nitroaniline (CAS 15944-74-8)
- 1-[4-Fluoro-2-(1-pyrrolidinyl)phenyl]ethanone (CAS 743444-59-9)
- Ethyl 4-acetyl-2-amino-5-methylfuran-3-carboxylate (CAS 99076-38-7)
- (8β)-8-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]ergoline (CAS 1075250-74-6)
- (2S,5R)-5-(2-Hydroxyethyl)pyrrolidine-2-carboxylic acid (CAS 178813-39-3)
- C3a (72-77) (human) (CAS 66157-45-7)
- 5-Chloro-1H-indene-1,2(3H)-dione (CAS 207554-23-2)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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