2-Hydroxy-2-(2-oxoindolin-3-ylidene)acetic acid CAS 14370-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14370-71-9 |
| Molecular Formula | C10H7NO4 |
| Molecular Weight | 205.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-2-(2-oxoindolin-3-ylidene)acetic acid (CAS 14370-71-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H7NO4. Molecular weight: 205.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H7NO4 |
| Molecular Weight | 205.17 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 4-Methoxy-3,5-dimethylpyridine (CAS 447461-23-6)
- 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 5,5'-carbonylbis[1,3-isobenzofurandione], 2,4-diisocyanato-1-methylbenzene and 1,1'-methylenebis[4-isocyanatobenzene] (CAS 62009-59-0)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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