Ethyl 5-chloro-3-phenyl-1H-indole-2-carboxylate CAS 21139-32-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21139-32-2 |
| Molecular Formula | C17H14ClNO2 |
| Molecular Weight | 299.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-chloro-3-phenyl-1H-indole-2-carboxylate (CAS 21139-32-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H14ClNO2. Molecular weight: 299.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H14ClNO2 |
| Molecular Weight | 299.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Ethyl 2-amino-5-chloro-4-(2-fluorophenyl)thiophene-3-carboxylate (CAS 851853-04-8)
- Methyl 1-(4-chlorobenzyl)-1H-indole-2-carboxylate (CAS 860611-52-5)
- Ethyl 2-(4-chlorophenyl)-1-indolizinecarboxylate (CAS 477862-74-1)
- 2-Trifluoromethyl-2-propanol (CAS 507-52-8)
- (S)-Butan-2-amine hydrochloride (CAS 31519-50-3)
- isooctyl alcohol (mixture of isomers) (CAS 26952-21-6)
- cis-2,5-Dimethyltetrahydrofuran (CAS 2144-41-4)
- 6-Methyl-2-(methylamino)-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 478049-79-5)
- rel-(2R,7aS)-2-Fluoro-7a-methylhexahydro-1H-pyrrolizine (CAS 2758756-38-4)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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