2,3-Dimethylquinoxaline-5,8-dione CAS 2768-63-0
| CAS No. | 2768-63-0 |
| Molecular Formula | C10H8N2O2 |
| Molecular Weight | 188.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H8N2O2, 2,3-Dimethylquinoxaline-5,8-dione 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 188.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies 2,3-Dimethylquinoxaline-5,8-dione (CAS 2768-63-0), a certified reference material (molecular formula C10H8N2O2, MW 188.18 g/mol) for analytical method development and quality control.
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 manufactures 2,3-Dimethylquinoxaline-5,8-dione 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 | C10H8N2O2 |
| Molecular Weight | 188.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Dimethylquinoxaline Standards
- 2,3-Dimethylquinoxaline-5,6-diamine (CAS 57436-96-1)
- 6,7-Dimethylquinoxaline-2,3-diamine (CAS 248606-61-3)
- 2,3-Dimethylquinoxaline-6-carbaldehyde (CAS 108763-28-6)
- 2,3-Dimethylquinoxaline-5-carbaldehyde (CAS 317593-27-4)
- 2,3-Dimethylquinoxaline-6-carbonitrile (CAS 17635-28-8)
- 2,3-Dimethylquinoxaline-5-carboxylic acid (CAS 6924-67-0)
- 3,7-Dimethylquinoxaline-2-carboxylic acid (CAS 2168971-76-2)
- 2,3-dimethylquinoxaline-6-carboxylic acid (CAS 17635-26-6)
Recommended Standards
- 2,3-Dihydroxy-1-naphthaldehyde (CAS 2089-80-7)
- 2,5-Dimethoxyterephthalonitrile (CAS 4655-68-9)
- 2,2'-Bipyridine-5,5'-diol (CAS 2326-78-5)
- 2,5-Furandione, 2-(2-phenylhydrazone) (CAS 52726-95-1)
- 2-(3-Methoxyphenyl)oxazole-4-carbaldehyde (CAS 885272-93-5)
- (2,3-Dihydro-3-oxo-4H-1,4-benzothiazin-4-yl)acetic acid (CAS 100637-60-3)
- 3-(1h-1,2,4-Triazol-1-yl)phenol (CAS 1192064-41-7)
- 2-Hydroxy-7,8-dihydroquinazolin-5(6H)-one (CAS 21599-39-3)
- (E)-Bis(triphenylphosphine)chloro(4-methyl-1-(triethylsilyl)-1,2,3-pentatriene)rhodium (CAS 86374-25-6)
- 3-(Bromomethyl)-3-butyltetrahydro-2h-pyran (CAS 1698390-53-2)
- Tert-Butyl nitrite (CAS 540-80-7)
- 6-(2-((4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)thio)acetyl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 721426-84-2)
- 6-Methyl-1-pyrrolidin-2-ylmethyl-2-trifluoromethyl-1H-quinolin-4-one hydrochloride (CAS 1361115-49-2)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
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