2-Methyl-1H-indole-6-carbaldehyde CAS 18871-11-9
| CAS No. | 18871-11-9 |
| Molecular Formula | C10H9NO |
| Molecular Weight | 159.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Methyl-1H-indole-6-carbaldehyde.
2-Methyl-1H-indole-6-carbaldehyde (CAS 18871-11-9) is a high-purity analytical reference standard with the molecular formula C10H9NO and a molecular weight of 159.18 g/mol.
Based on its molecular formula C10H9NO, 2-Methyl-1H-indole-6-carbaldehyde 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 159.18 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).
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.
As a certified reference material (CRM), 2-Methyl-1H-indole-6-carbaldehyde 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 | C10H9NO |
| Molecular Weight | 159.18 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- Methyl (2S)-5-(hydroxymethyl)pyrrolidine-2-carboxylate (CAS 1888656-48-1)
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- 2-(1,2-Dimethyl-1H-imidazol-5-yl)ethan-1-amine (CAS 279238-55-0)
- (S)-3-amino-1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 1931923-61-3)
- 2-Chloro-1-(4-(quinolin-4-yl)piperazin-1-yl)ethanone (CAS 915373-78-3)
- O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine 2,5-dioxo-1-pyrrolidinyl ester (CAS 158000-21-6)
- 4-(4,4-Difluoropiperidin-1-yl)-butylamine (CAS 1416352-16-3)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
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