Ethyl 4,6-dihydroxyquinoline-3-carboxylate CAS 228728-25-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 228728-25-4 |
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4,6-dihydroxyquinoline-3-carboxylate (CAS 228728-25-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11NO4. Molecular weight: 233.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2022 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- Ethyl 4,7-dihydroxyquinoline-3-carboxylate (CAS 104047-30-5)
- Ethyl 4,8-dihydroxyquinoline-3-carboxylate (CAS 27333-37-5)
- Methyl 2,4-dihydroxyquinoline-3-carboxylate (CAS 73776-19-9)
- 4,8-Dihydroxyquinoline-3-carboxylic acid (CAS 1131580-58-9)
- 6,7-Dihydroxyquinoline-2-carboxylic acid (CAS 122234-87-1)
- 3,4-Dihydroxyquinoline-5-carboxylic acid (CAS 127980-50-1)
- 3,4-Dihydroxyquinoline-2-carboxylic acid (CAS 33925-79-0)
- 4,5-Dihydroxyquinoline-3-carboxylic acid (CAS 79148-46-2)
Recommended Standards
- Ethyl 3-hydroxy-2-oxo-1,2-dihydroquinoline-4-carboxylate (CAS 93002-02-9)
- Ethyl 3-amino-4-oxo-3,4-dihydroquinazoline-2-carboxylate (CAS 34127-27-0)
- Ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate, 97% (CAS 40059-53-8)
- 1-Methyl-1H-benzo[d]imidazol-5-yl 3-phenylacrylate (CAS 1351663-93-8)
- 6-Bromo-1-isopropyl-1H-indazole-4-carboxylic acid (CAS 1346702-54-2)
- Methyl 2-(((5R,6S,9S)-5-benzyl-1-(9H-fluoren-9-yl)-6-hydroxy-9-isobutyl-3,7,10,22-tetraoxo-2,14,17,20-tetraoxa-4,8,11,23-tetraazahexacosan-26-yl)oxy)-4-((E)-3-(3,5-di-tert-butylphenyl)-3-oxoprop-1-en-1-yl)benzoate (CAS 1351169-42-0)
- Didanosine Impurity 2 (CAS 890-38-0)
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- 1-(Pyridin-2-ylmethyl)cyclobutane-1-carboxylic acid (CAS 1439900-19-2)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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