8-Acetyl-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde CAS 89334-29-2
| CAS No. | 89334-29-2 |
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 8-Acetyl-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde (C11H12N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 204.23 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
8-Acetyl-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde (CAS 89334-29-2), molecular formula C11H12N2O2 and molecular weight 204.23 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.
As a certified reference material (CRM), 8-Acetyl-1,2,3,4-tetrahydroquinoxaline-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 | C11H12N2O2 |
| Molecular Weight | 204.23 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 DMSO, DMF, methanol |
| 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.) | 1982 |
| Nitrogen Atoms | 2 |
Related Acetyl Standards
- 6-Acetyl-1,2,3,4-tetrahydroquinoxaline-2,3-dione (CAS 1018458-42-8)
- 2-Phenyl-1,2,3,4-tetrahydroquinoxaline (CAS 5021-47-6)
- 3-Methyl-1,2,3,4-tetrahydroquinoxaline-5-carboxylic acid (CAS 946386-75-0)
- Methyl 1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 90918-37-9)
- 2-Oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid (CAS 189497-99-2)
- 3-Oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid (CAS 702669-54-3)
- 3-Oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxamide (CAS 263756-47-4)
- 1-Butyl-1,2,3,4-tetrahydroquinoxaline (CAS 105105-31-5)
Recommended Standards
- 7'-Nitro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 561297-87-8)
- 9-(Tetrahydro-2H-pyran-3-yl)-9H-purine (CAS 924663-86-5)
- 7-Nitro-2,3,4,5-tetrahydro-1H-1,5-methanobenzo[d]azepine (CAS 328055-86-3)
- 9-Acridinecarbonitrile (CAS 5326-19-2)
- 5-(Carboxymethyl)furan-2-carboxylic acid (CAS 1605-20-5)
- (2,2-Dimethoxyethyl)(o-tolyl)sulfane (CAS 51830-52-5)
- 3-(2-Mercapto-1H-imidazol-1-yl)thietane 1,1-dioxide (CAS 1858892-10-0)
- 4-Hydroxy-2-(propan-2-ylidene)benzofuran-3(2H)-one (CAS 88281-14-5)
- 1-Nitro-2-naphthoic acid (CAS 103987-83-3)
- (E)-6,6,6-Trideuterio-4-hydroxyhex-2-enal (CAS 148706-05-2)
- 1,4-Benzoquinone (CAS 106-51-4)
- ethyl 2-azaspiro[4.4]nonane-1-carboxylate (CAS 2089670-51-7)
- 5-(2-Aminoethyl)dithio-2-nitrobenzoic Acid (CAS 71899-86-0)
- [y-Glu15]-Semaglutide Impurity 134 (CAS CATO-C4X-2226134)
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