6,7-Dichloro-4-hydroxyquinoline-3-carboxylic acid CAS 26893-20-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 26893-20-9 |
| Molecular Formula | C10H5Cl2NO3 |
| Molecular Weight | 258.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dichloro-4-hydroxyquinoline-3-carboxylic acid (CAS 26893-20-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H5Cl2NO3. Molecular weight: 258.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H5Cl2NO3 |
| Molecular Weight | 258.06 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 6,8-Dichloro-2-oxo-2H-chromene-3-carboxamide (CAS 101166-95-4)
- 6,8-Dichloro-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 134785-79-8)
- 4-(4,6-Dichloro-1,3,5-triazin-2-yl)benzene-1,3-diol (CAS 150238-76-9)
- 2-(4,7-Dichloro-3-indolyl)-2-oxoacetic Acid (CAS 1514155-85-1)
- 5,7-Dichloro-4-hydroxyquinoline-3-carboxylic acid (CAS 171850-30-9)
- 4,5-Dichloro-1-(4-nitrophenyl)-1H-imidazole (CAS 649579-09-9)
- 5,8-Dichloro-4-hydroxyquinoline-3-carboxylic acid (CAS 35973-26-3)
- 6,7-Dichloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-82-0)
Recommended Standards
- 6-(3,4-Dichlorophenyl)-1,3,5-triazine-2,4(1H,3H)-dione (CAS 61453-02-9)
- 5-Iodo-7-methylbenzofuran (CAS 799766-26-0)
- 6,8-Dichloro-2-hydroxyquinoline-4-carboxylic acid (CAS 50504-24-0)
- 91552-69-1 [1-(4-Butylphenyl)ethyl]amine MFCD05215389 (CAS 91552-69-1)
- 5-(4-fluorophenyl)-4-(2-morpholin-4-ylethyl)-4H-1,2,4-triazole-3-thiol (CAS 847783-68-0)
- 2-((4-Methylbenzyl)thio)-5-phenyl-1,3,4-oxadiazole (CAS 336177-59-4)
- 4-Methoxyisoquinoline-1-carboxylic acid (CAS 1179149-12-2)
- Cytarabine Impurity 26 (CAS 10212-22-3)
- F6A27P4Q4R 7783-00-8 Selenious acid Selenious acid [USP] Selenium dioxide, monohydrated CCRIS 5530 EINECS 231-974-7 HSDB 6065 Hydrogen Selenite Monohydrated selenium dioxide RCRA waste number U204 Selenious acid (H2SeO3) Selenite Selenium dioxide Selenous acid UNII-F6A27P4Q4R EC 231-974-7 RCRA waste no. U204 (CAS 7783-00-8)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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