2-Ethyl-1H-indol-4-ol CAS 39843-71-5
| CAS No. | 39843-71-5 |
| Molecular Formula | C10H11NO |
| Molecular Weight | 161.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Ethyl-1H-indol-4-ol is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Ethyl-1H-indol-4-ol (CAS 39843-71-5), molecular formula C10H11NO and molecular weight 161.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H11NO, 2-Ethyl-1H-indol-4-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 161.20 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Ethyl-1H-indol-4-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H11NO |
| Molecular Weight | 161.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-ethyl-1H-1,3-benzodiazol-1-amine (CAS 90559-02-7)
- 2-Ethyl-1-methyl-1H-imidazo[4,5-c]pyridine (CAS 675581-77-8)
- 2-Ethoxy-6-methylbenzonitrile (CAS 90259-38-4)
- 2-Ethyl-2h-indazol-6-amine (CAS 65642-31-1)
- (2-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno-[2,3-d]pyrimidin-4-ylamino)-acetic acid (CAS 878709-00-3)
- 1-[1-(1,3-Benzodioxol-5-ylmethyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone (CAS 731826-79-2)
- 5-Amino-4-methyl-1H-pyrazole-1-carboxamide (CAS 77668-02-1)
- Hydroxocobalamin (Cyanocobalamin EP Impurity H） (CAS 13422-51-0)
- 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-1H-imidazole (CAS 1486485-39-5)
- (5-Bromo-1-(phenylsulfonyl)-1H-pyrrol-3-yl)methanol (CAS 881673-81-0)
- MEthyl 3-(4-sulfamoylphenyl)propanoate (CAS 928139-28-0)
- 1-(Bromoethynyl)-4-chloro-2-fluorobenzene (CAS 2187435-46-5)
- Alizarin Red S (CAS 130-22-3)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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