4-Chloro-3,5-dihydroxybenzoic acid CAS 102338-87-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 102338-87-4 |
| Molecular Formula | C7H5ClO4 |
| Molecular Weight | 188.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Chloro-3,5-dihydroxybenzoic acid (CAS 102338-87-4) pharmaceutical standards reference standard. Molecular formula: C7H5ClO4. Molecular weight: 188.57 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H5ClO4 |
| Molecular Weight | 188.57 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Related Chloro Standards
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Recommended Standards
- 2-((6-Chloropyrazin-2-yl)oxy)acetic acid (CAS 1080650-29-8)
- 5-Chloro-6,7-difluoro-1H-benzo[d]imidazole (CAS 217951-45-6)
- 5-Chloro-3-(trifluoromethyl)-1,2,4-thiadiazole (CAS 672-35-5)
- tert-Butyl-dimethyl-(3-[7R-methyl-1R-(1R,4R,5-trimethyl-hex-2-enyl)-octahydro-inden-4-ylidenemethyl]-2,2-dioxo-2,3,4,5,6,7-hexahydro-1H-2l6-benzo[c]thiophen-5S-yloxy)-silane (CAS 170081-43-3)
- Methyl 2-aminophenylacetate, 97% (CAS 35613-44-6)
- Creatine Phosphate Impurity 6 (CAS CATO-C4X-12096)
- Tert-butyl (2-oxospiro[3.5]Nonan-7-yl)carbamate (CAS 1440962-35-5)
- 6-chloro-3-(hydroxyimino)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-one (CAS 937602-19-2)
- Olmesartan Impurity 8 (CAS CATO-C4X-10978)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com