4-Chloro-5-formyl-3,6,6-trimethyl-6,7-dihydro-1H-indole-2-carboxylic acid ethyl ester CAS 333780-20-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 333780-20-4 |
| Molecular Formula | C15H18ClNO3 |
| Molecular Weight | 295.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-formyl-3,6,6-trimethyl-6,7-dihydro-1H-indole-2-carboxylic acid ethyl ester (CAS 333780-20-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C15H18ClNO3. Molecular weight: 295.76 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H18ClNO3 |
| Molecular Weight | 295.76 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-(4-Chlorophenyl)-4-oxo-2-(piperidin-1-yl)butanoic acid (CAS 70596-75-7)
- 4-Chloro-N-(1-(N-hydroxycarbamimidoyl)cyclohexyl)benzamide (CAS 912763-51-0)
- 4-([1,1-Biphenyl]-2-yloxy)-3-chlorophenylamine (CAS 946775-32-2)
- (2S)-2-[(2-Ethoxyphenyl)formamido]-3-methylbutanoic acid (CAS 956705-82-1)
- 4-Methoxy-N,N-dimethylpyridazin-3-amine (CAS 760884-24-0)
- 5-Formyl-1H-indazole-3-carboxylic acid (CAS 1061255-42-2)
- N-Vinylacetamide (CAS 5202-78-8)
- 2-Propoxybenzonitrile (CAS 6609-58-1)
- Cabotegravir Impurity 14 (CAS CATO-C4X-287614)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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