2-(1-Ethyl-1h-indol-3-yl)acetic acid CAS 58690-18-9
| CAS No. | 58690-18-9 |
| Molecular Formula | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H13NO2, 2-(1-Ethyl-1h-indol-3-yl)acetic acid 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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(1-Ethyl-1h-indol-3-yl)acetic acid (CAS 58690-18-9), molecular formula C12H13NO2 and molecular weight 203.24 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(1-Ethyl-1h-indol-3-yl)acetic acid 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.) | 1973 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(1-Benzyl-1H-[1,2,3]triazol-4-yl)-ethanol (CAS 808736-97-2)
- 2-(1-Ethyl-1H-pyrrolo[2,3-b]pyridin-3-yl)acetamide (CAS 626604-79-3)
- 2-(1,3-Dioxolan-2-yl)-1-methyl-1H-indole (CAS 773095-30-0)
- 2-(1H-Indol-3-yl)-2-methylpropanoic acid (CAS 2770-92-5)
- n1-Propylbenzene-1,2-diamine (CAS 55899-42-8)
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- Methyl 2-(7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)acetate (CAS 110260-69-0)
- 5,7-Difluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 2052166-01-3)
- 5-Bromo-4-ethynylpyrimidine (CAS 37972-19-3)
- 2-Fluoro-4,5-dimethoxy-benzamide (CAS 1260658-21-6)
- N2-(propan-2-yl)pyridine-2,3-diamine (CAS 24188-40-7)
- (2-Chloro-3-(chloromethyl)-5-(difluoromethyl)pyridin-4-yl)methanol (CAS 1806874-20-3)
- 2-[(4'-Chloro-1-naphthyloxy)methyl]phenylboronic acid (CAS 1072951-65-5)
- Peptide 438 (CAS CATO-CPTD788438)
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