2-amino-4-(4-ethoxyphenyl)-3-nitro-4,6,7,8-tetrahydro-5H-chromen-5-one 304868-25-5 KS-00003RG8 CAS 304868-25-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 304868-25-5 |
| Molecular Formula | C17H18N2O5 |
| Molecular Weight | 330.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-amino-4-(4-ethoxyphenyl)-3-nitro-4,6,7,8-tetrahydro-5H-chromen-5-one 304868-25-5 KS-00003RG8 (CAS 304868-25-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H18N2O5. Molecular weight: 330.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H18N2O5 |
| Molecular Weight | 330.34 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- N-Carbamoyl-2-(4-oxo-2-(2-(2-oxo-2,3-dihydrothiazol-4-yl)hydrazineyl)-4,5-dihydrothiazol-5-yl)acetamide (CAS 868155-14-0)
- Nafamostat Impurity 57 (CAS CATO-C4X-133257)
- N-(3-Methoxypropyl)-4-(2-(5-nitrofuran-2-yl)vinyl)benzamide (CAS 62113-66-0)
- 5-Bromo-2-(pyridin-2-yl)-6-(trifluoromethyl)pyrimidin-4-ol (CAS 338757-54-3)
- 4-(3-Methoxyphenoxy)-3,6-dioxocyclohexa-1,4-diene-1-carbaldehyde (CAS CATO-C3D-5035)
- alpha-Arbutin (CAS 84380-01-8)
- Fe-TCPP (CAS 60146-43-2)
- N'-[(1Z)-[4-(Dimethylamino)phenyl]methylidene]-2-(1H-pyrrol-1-yl)benzohydrazide (CAS 358400-85-8)
- WIN 552,12-3 Mesylate (CAS 131543-25-4)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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