1-Pentyl-1H-indole-2,3-dione CAS 4290-90-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4290-90-8 |
| Molecular Formula | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Pentyl-1H-indole-2,3-dione (CAS 4290-90-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H15NO2. Molecular weight: 217.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-Pentanoylindolin-2-one (CAS 57989-34-1)
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- 1-Methyl-1H-indol-3-yl butyrate (CAS 20485-22-7)
- 4-Chloro-6-methoxy-2-methyl-1,5-naphthyridine (CAS 81935-22-0)
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- N-(6-Ethoxybenzo[d]thiazol-2-yl)-3,4-dimethylbenzenesulfonamide (CAS 438225-39-9)
- (R)-Tert-Butyl-N-butanoate norlaudanosine oxalate (CAS 1075726-71-4)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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