8-Methoxy-N-(4-methoxyphenyl)-2H-chromene-3-carboxamide CAS 288861-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 288861-42-7 |
| Molecular Formula | C18H17NO4 |
| Molecular Weight | 311.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methoxy-N-(4-methoxyphenyl)-2H-chromene-3-carboxamide (CAS 288861-42-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H17NO4. Molecular weight: 311.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H17NO4 |
| Molecular Weight | 311.33 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.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Methyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate (CAS 88398-74-7)
- Benzyl-2,3,4,5,6-d5 trans-Cinnamate (CAS 347840-02-2)
- Methyl 3-(4-methoxyphenyl)pyridine-4-carboxylate (CAS 1820613-47-5)
- N-(4-(4-Acetamidophenyl)thiazol-2-yl)-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidine-3-carboxamide (CAS 790237-66-0)
- Ethene, 1,1,2-trifluoro-, homopolymer (CAS 24980-67-4)
- 2-(5-Chloro-2,4-difluorophenyl)-1,3-dioxolane (CAS 2586127-13-9)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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