Potassium 7-nitro-2-oxo-2H-chromene-3-carboxylate CAS 1890299-47-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1890299-47-4 |
| Molecular Formula | C10H4NO6 K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Potassium 7-nitro-2-oxo-2H-chromene-3-carboxylate (CAS 1890299-47-4) pharmaceutical standards reference standard. Molecular formula: C10H4NO6 K. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10H4NO6 K |
| Molecular Weight | 273.24 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Imino-5,5-dimethyl-3-phenyloxazolidin-2-one (CAS 3846-12-6)
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- 2-Aminoethyl 2-amino-2-deoxy-β-D-Glucopyranoside (CAS 1354622-16-4)
- 2-((1-(3-Chlorophenyl)propyl)amino)propan-1-ol (CAS 1155566-56-5)
- Deflazacort Impurity 3 (CAS 13649-84-8)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com