Ethyl 5-Methylindole-3-carboxylate CAS 88611-94-3
| CAS No. | 88611-94-3 |
| Molecular Formula | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.24 g/mol gives Ethyl 5-Methylindole-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 5-Methylindole-3-carboxylate (CAS 88611-94-3), molecular formula C12H13NO2 and molecular weight 203.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H13NO2, Ethyl 5-Methylindole-3-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 5-Methylindole-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H13NO2 |
| Molecular Weight | 203.24 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.) | 1982 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- Ethyl 6-Methylindole-3-carboxylate (CAS 100821-48-5)
- Ethyl 4-Methylindole-3-carboxylate (CAS 1214387-63-9)
- Ethyl 4-Methylindole-2-carboxylate (CAS 16732-80-2)
- Methyl 6-Methylindole-3-acetate (CAS 1780817-34-6)
- Methyl 7-Methylindole-3-acetate (CAS 1783785-91-0)
- Ethyl 7-Methylindole-3-carboxylate (CAS 773128-82-8)
- Methyl 4-Methylindole-3-acetate (CAS 2097800-49-0)
- 1-methylindole-5-carbonyl isocyanate (CAS 2761279-32-5)
Recommended Standards
- Ethyl 3-Methyl-1H-indole-5-carboxylate (CAS 73396-90-4)
- Ethyl 7-methyl-1H-indole-2-carboxylate (CAS 70761-93-2)
- Ethyl 3-methyl-1H-indole-2-carboxylate (CAS 26304-51-8)
- Ethyl 3-[(2-Ethoxy-2-oxoethyl)amino]propionate (CAS 3783-61-7)
- 5-Chloro-2-(oxolan-3-yloxy)benzonitrile (CAS 1375471-48-9)
- Methyl 3-bromo-4-(difluoromethoxy)benzoate (CAS 200956-56-5)
- triazolo[1,5-a]pyridine-4-carboxylic acid (CAS 1547026-42-5)
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