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
| 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
Compared with other compounds in its class, the molecular weight of 330.34 g/mol gives 2-amino-4-(4-ethoxyphenyl)-3-nitro-4,6,7,8-tetrahydro-5H-chromen-5-one 304868-25-5 KS-00003RG8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
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) is a high-purity analytical reference standard with the molecular formula C17H18N2O5 and a molecular weight of 330.34 g/mol.
Structurally, 2-amino-4-(4-ethoxyphenyl)-3-nitro-4,6,7,8-tetrahydro-5H-chromen-5-one 304868-25-5 KS-00003RG8 (C17H18N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 330.34 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-amino-4-(4-ethoxyphenyl)-3-nitro-4,6,7,8-tetrahydro-5H-chromen-5-one 304868-25-5 KS-00003RG8 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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)
- Sunitinib Impurity 38 (CAS CATO-C4X-133338)
- 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)
- 4-Bromo-5-ethyl-3-(trifluoromethyl)-1H-Pyrazole (CAS 1417982-47-8)
- 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)
- 2,2-Dimethyl-3-(tetrahydrofuran-2-yl)propanoic acid (CAS 1339148-07-0)
- 3-Amino-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid (CAS 1260670-36-7)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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