2-Methoxy-7-methylquinoline-3-carbaldehyde CAS 842972-37-6
| CAS No. | 842972-37-6 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-Methoxy-7-methylquinoline-3-carbaldehyde (CAS 842972-37-6), a certified reference material (molecular formula C12H11NO2, MW 201.22 g/mol) for analytical method development and quality control.
Structurally, 2-Methoxy-7-methylquinoline-3-carbaldehyde (C12H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 201.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Methoxy-7-methylquinoline-3-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 | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
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Recommended Standards
- 2-Methoxy-4-methylquinoline-7-carbaldehyde (CAS 89446-54-8)
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- 2-methoxy-1-naphthaldehyde oxime (CAS 99806-91-4)
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- 3-(Thiophen-2-yl)-2-azaspiro[3.3]Heptan-1-one (CAS 1857256-49-5)
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- Ethyl 5-chloro-1,3-benzothiazole-2-carboxylate (CAS 857081-41-5)
- 2-METHYLTHIOACETALDEHYDE (CAS 23328-62-3)
- 2-(1-Phenethyl-1H-tetrazol-5-yl)acetic acid (CAS 1267177-79-6)
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- 2-((Bis(4-fluorophenyl)methyl)thio)acetamide (CAS 90280-20-9)
- 3-(3,5-Dimethylphenyl)-1-(4-methoxyphenyl)propan-1-one (CAS 898780-20-6)
- N-((2S,3S,E)-1,3-Dihydroxyoctadec-4-en-2-yl)acetamide (CAS 143615-69-4)
- Peptide Impurity (CAS CATO-CPTD788810)
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