2-Quinoxalinecarboxaldehyde 1,4-Dioxide Dimethyl Acetal CAS 32065-66-0
| CAS No. | 32065-66-0 |
| Molecular Formula | C11H12N2O4 |
| Molecular Weight | 236.22 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.
2-Quinoxalinecarboxaldehyde 1,4-Dioxide Dimethyl Acetal (CAS 32065-66-0) is a high-purity analytical reference standard with the molecular formula C11H12N2O4 and a molecular weight of 236.22 g/mol.
Based on its molecular formula C11H12N2O4, 2-Quinoxalinecarboxaldehyde 1,4-Dioxide Dimethyl Acetal 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 236.22 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).
CATO manufactures 2-Quinoxalinecarboxaldehyde 1,4-Dioxide Dimethyl Acetal 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 | C11H12N2O4 |
| Molecular Weight | 236.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Related Quinoxalinecarboxaldehyde Standards
Recommended Standards
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- 3-(2,4-Difluorophenyl)-4,5,6,7-tetrahydroisoxazolo[4,3-c]pyridine (CAS 2328103-09-7)
- 2-Oxo-3-phenylsuccinic acid dimethyl ester (CAS 68781-72-6)
- 3-(4-Acetoxy-3-methoxyphenyl)acrylic acid (CAS 2596-47-6)
- 1-(2-Chloroallyl)-2-methylbenzene (CAS 731772-12-6)
- 4-Acetamido-6-cyanopyridine-2-sulfonyl chloride (CAS 1393582-84-7)
- 2,5-Dibromo-4-(trifluoromethyl)pyrimidine (CAS 785777-91-5)
- 4,5-Dihydro-1-(3-Fluorophenyl)-1,4-Epoxy-1H,3H-(1,4)Oxazepino(4,3-a)Benzimidazole (CAS 76099-10-0)
- 2-(Methyl(3-methylbenzyl)amino)ethanol (CAS 26253-64-5)
- Sildenafil Impurity 263 (CAS CATO-C4X-1128263)
- 4-(5-Bromo-1H-imidazol-4-yl)aniline (CAS 89260-47-9)
- Iguratimod impurity 95 (CAS CATO-C4X-182695)
- Octahydro-1H-cyclopenta[b]pyridine-4-carboxylic acid (CAS 1543955-98-1)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
Why CATO?
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