7-Nitro-2-oxo-2H-chromene-3-carboxylic acid CAS 64962-93-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64962-93-2 |
| Molecular Formula | C10H5NO6 |
| Molecular Weight | 235.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Nitro-2-oxo-2H-chromene-3-carboxylic acid (CAS 64962-93-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H5NO6. Molecular weight: 235.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| 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.) | 1975 |
| Nitrogen Atoms | 1 |
Related Nitro Standards
- 8-Nitro-2-oxo-2h-chromene-3-carboxylic acid (CAS 82119-78-6)
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Recommended Standards
- 5-(4-Nitrophenyl)-1,3,4-oxadiazole-2-carboxylic acid (CAS 944898-12-8)
- 4,6-Dihydroxy-5,8-dioxo-5,8-dihydroquinoline-2-carboxylic acid (CAS 98948-82-4)
- 3,3'-Dichloro-2,2'-bithiophene (CAS 145386-39-6)
- 2-((1H-1,2,4-triazol-1-yl)methyl)-5-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidine (CAS 400082-08-8)
- tert-Butyl 7-methyl-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 1824264-50-7)
- 2-Bromo-1-(1-isopropyl-1H-1,2,4-triazol-5-yl)ethanone (CAS 1282517-73-0)
- (S)-1-(2,3-Dihydrobenzofuran-5-yl)ethan-1-amine hydrochloride (CAS 2771237-67-1)
- (S)-1-(3-chloro-4-methoxyphenyl)but-3-en-1-amine (CAS 1269802-21-2)
- MRS 1334 (CAS 192053-05-7)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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