(2Z)-2-[2-(2H-1,3-Benzodioxol-5-yl)-2-oxoethylidene]-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid CAS 904818-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 904818-57-1 |
| Molecular Formula | C18H12N2O6 |
| Molecular Weight | 352.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2Z)-2-[2-(2H-1,3-Benzodioxol-5-yl)-2-oxoethylidene]-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid (CAS 904818-57-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H12N2O6. Molecular weight: 352.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H12N2O6 |
| Molecular Weight | 352.30 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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