3-Ethyl-5-(phenylamino)-2-(pyridin-2-yl)-2H-indazole-4,7-dione CAS 62370-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62370-32-5 |
| Molecular Formula | C20H16N4O2 |
| Molecular Weight | 344.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-5-(phenylamino)-2-(pyridin-2-yl)-2H-indazole-4,7-dione (CAS 62370-32-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16N4O2. Molecular weight: 344.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16N4O2 |
| Molecular Weight | 344.37 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- (3AR,4s,9bs)-6,9-dimethyl-3a,4,5,9b-tetrahydro-3h-cyclopenta[c]quinoline-4-carboxylic acid (CAS 1415811-56-1)
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