6-Chloro-4-hydroxy-3-cinnolinecarboxylic acid CAS 90272-08-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90272-08-5 |
| Molecular Formula | C9H5ClN2O3 |
| Molecular Weight | 224.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 6-Chloro-4-hydroxy-3-cinnolinecarboxylic acid (CAS 90272-08-5) pharmaceutical standards reference standard. Molecular formula: C9H5ClN2O3. Molecular weight: 224.60 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H5ClN2O3 |
| Molecular Weight | 224.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 6-Chloro-3-nitroquinolin-4-ol (CAS 101861-61-4)
- 8-Chloro-2-oxo-2H-chromene-3-carboxylic acid (CAS 107747-67-1)
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Recommended Standards
- 6-Chloro-3-formyl-2H-indazole-4-carboxylic acid (CAS 885522-93-0)
- 6-Chloro-4-oxo-1,4-dihydro-1,5-naphthyridine-3-carboxylic acid, 97% (CAS 959277-17-9)
- 6-Chloro-2-oxo-2h-chromene-3-carboxylic acid (CAS 883-92-1)
- Rosuvastatin (2S,4S)-Lactone (CAS 1809092-87-2)
- tert-Butyl 1-amino-3-azabicyclo[3.2.1]octane-3-carboxylate (CAS 1780781-02-3)
- 3,3'-Dimethyloxacarbocyanineiodide (CAS 14134-79-3)
- 1-Allyl-5-(3,5-dichlorophenyl)-1H-tetrazole (CAS 303145-05-3)
- Ethyl 3-oxo-3,4-dihydroquinoxaline-1(2H)-carboxylate (CAS 1019132-48-9)
- 3-(Cyclopropylmethoxy)propanenitrile (CAS 1019568-17-2)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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