Ethyl 2-amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate CAS 333340-98-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 333340-98-0 |
| Molecular Formula | C19H21NO5 |
| Molecular Weight | 343.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 2-amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 333340-98-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H21NO5. Molecular weight: 343.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H21NO5 |
| Molecular Weight | 343.37 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 2-Amino-7-(((1,3-dihydroxypropan-2-yl)oxy)methyl)-6-(methylthio)-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (CAS 127945-63-5)
- 1-Amino-4-(2-(p-tolyl)hydrazinyl)anthracene-9,10-dione (CAS 669698-89-9)
- 2-((4-Amino-5-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-fluorophenyl)acetamide (CAS 760194-30-7)
- 2-Amino-4-(benzo[d][1,3]dioxol-5-yl)-6-(2,5-dimethylphenyl)nicotinonitrile (CAS 331981-35-2)
- 2-Amino-9-((2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-((methylthio)methoxy)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one (CAS 90813-68-6)
- 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 340812-72-8)
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- 3-Amino-4-(thiophen-2-yl)-6-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 421584-77-2)
Recommended Standards
- Diethyl 1-(4-acetylphenyl)-2-methyl-1H-pyrrole-3,4-dicarboxylate (CAS 853334-51-7)
- Ethyl 3-(benzyl(3-ethoxy-3-oxopropyl)amino)-2,2-difluoropropanoate (CAS 851314-55-1)
- 4-Hexyloxyphenyl 4-nitrobenzoate (CAS 68162-10-7)
- (3S,4R)-4-(Azetidin-1-yl)piperidine-3-carboxamide bis(2,2,2-trifluoroacetate) (CAS 1624261-48-8)
- 1-[4-bromo-2-(trifluoromethyl)phenyl]piperazine (CAS 1183360-19-1)
- N-(3-Amino-4-methylphenyl)-4-methoxybenzamide 1016796-09-0 (CAS 1016796-09-0)
- 2-Fluoro-6-(trifluoromethyl)phenylboronic acid pinacol ester (CAS 1599432-39-9)
- 1-(Difluoromethoxy)-4-nitroisoquinoline (CAS 2187434-99-5)
- 4-((3-Bromophenyl)sulfonyl)thiomorpholine (CAS 850349-32-5)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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