| CAS No. | 4790-22-1 |
| Molecular Formula | C18H16N2O4 |
| Molecular Weight | 324.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 324.33 g/mol gives 5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide (CAS 4790-22-1) is a high-purity analytical reference standard with the molecular formula C18H16N2O4 and a molecular weight of 324.33 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 324.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide 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.
| Molecular Formula | C18H16N2O4 |
| Molecular Weight | 324.33 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 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |