5-Hydroxy-7-methoxy-3-(4-methoxyphenyl)quinolin-4(1H)-one CAS 190774-08-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 190774-08-4 |
| Molecular Formula | C17H15NO4 |
| Molecular Weight | 297.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Hydroxy-7-methoxy-3-(4-methoxyphenyl)quinolin-4(1H)-one (CAS 190774-08-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H15NO4. Molecular weight: 297.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H15NO4 |
| Molecular Weight | 297.31 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- Ethyl 6-hydroxy-3-methyl-1-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1160246-14-9)
- (1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone (CAS 1231566-89-4)
- 3-Hydroxy-2-(4-methyl-2-oxazol-2-yl-benzoyl)-cyclohex-2-enone (CAS 1231580-55-4)
- 2-(1-Benzyl-3-hydroxy-2-oxoindolin-3-yl)acetic acid (CAS 13672-23-6)
- 5-Hydroxy-4-(2-((o-tolyloxy)methyl)phenyl)isoxazol-3(2H)-one (CAS 185337-43-3)
- 1-Benzyl-4-hydroxy-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester (CAS 30720-10-6)
- 2-(5-Hydroxy-4-methyl-3-phenyl-4,5-dihydroisoxazol-5-yl)benzoic acid (CAS 63826-30-2)
- 2-Hydroxy-5-oxo-7-(m-tolyl)-5,6,7,8-tetrahydroquinoline-3-carboxylic acid (CAS 945202-24-4)
Recommended Standards
- N-(1H-Benzo[d]imidazol-2-yl)-3,4-dimethoxybenzamide (CAS 191028-27-0)
- tert-Butyl 4-hydroxy-3-methyl-4-(trifluoromethyl)azepane-1-carboxylate (CAS 1824023-76-8)
- 6-(3,5-Dimethoxyphenyl)pyrido[2,3-d]pyrimidine-2,7-diamine (CAS 192705-78-5)
- 3-[4-Methoxy-3-(piperidine-1-sulfonyl)phenyl]prop-2-enoic acid (CAS 321979-11-7)
- 3-((3,4-Dichlorobenzyl)thio)-6-methylpyridazine (CAS 6889-28-7)
- 3-bromo-7-methoxy-2-methylquinolin-4-ol (CAS 1333252-01-9)
- Benzo[1,3]dioxol-5-yl-(4-hydroxy-piperidin-1-yl)-methanone (CAS 1156429-26-3)
- 3-((2-Hydroxyethyl)imino)-2,3-dihydrobenzo[d]isothiazole 1,1-dioxide (CAS 7677-49-8)
- 5-Ethyl 2-methyl pyridine-2,5-dicarboxylate (CAS 110911-08-5)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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