| CAS No. | 10242-15-6 |
| Molecular Formula | C10H5NO6 |
| Molecular Weight | 235.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
10242-15-6 6-(Hydroxy(oxido)amino)-2-oxo-2H-chromene-3-carboxylic acid 6-nitro-2-oxo-chromene-3-carboxylic acid NSC74856 (CAS 10242-15-6), molecular formula C10H5NO6 and molecular weight 235.15 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 10242-15-6 6-(Hydroxy(oxido)amino)-2-oxo-2H-chromene-3-carboxylic acid 6-nitro-2-oxo-chromene-3-carboxylic acid NSC74856 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 235.15 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.
As a certified reference material (CRM), 10242-15-6 6-(Hydroxy(oxido)amino)-2-oxo-2H-chromene-3-carboxylic acid 6-nitro-2-oxo-chromene-3-carboxylic acid NSC74856 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C10H5NO6 |
| Molecular Weight | 235.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |