[1,3]Dioxolo[4,5-b]quinoxaline CAS 856768-04-2
| CAS No. | 856768-04-2 |
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, [1,3]Dioxolo[4,5-b]quinoxaline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 174.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
[1,3]Dioxolo[4,5-b]quinoxaline (CAS 856768-04-2), molecular formula C9H6N2O2 and molecular weight 174.16 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.
CATO manufactures [1,3]Dioxolo[4,5-b]quinoxaline 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 | C9H6N2O2 |
| Molecular Weight | 174.16 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.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dioxolo Standards
- [1,3]Dioxolo[4,5-g]cinnoline (CAS 269-52-3)
- [1,3]Dioxolo[4,5-g]quinazoline (CAS 269-53-4)
- [1,3]Dioxolo[4,5-g]quinoxaline (CAS 269-56-7)
- [1,3]Dioxolo[4,5-h]quinazoline (CAS 234-30-0)
- [1,3]Dioxolo[4,5-c]quinoline (CAS 234-21-9)
- [1,3]Dioxolo[4,5-f]isoquinoline (CAS 234-16-2)
- [1,3]Dioxolo[4,5-f]quinoline (CAS 234-20-8)
- [1,3]Dioxolo[4,5-g]isoquinoline (CAS 269-44-3)
Recommended Standards
- (E)-4-(2-nitrovinyl)benzonitrile (CAS 5153-73-1)
- (E)-3-(4-nitrophenyl)acrylonitrile (CAS 29246-70-6)
- 1-Nitroisoquinoline (CAS 19658-76-5)
- 5-(Hydroxymethyl)-6-methylpyrazine-2,3-dicarbonitrile (CAS 192933-53-2)
- 5-Bromo-6-fluoropicolinic acid (CAS 1211588-89-4)
- 4-{2-[2-(4-fluorophenoxy)ethoxy]ethoxy}-1-(4-methylbenzenesulfonyl)-1H-indole (CAS 477856-57-8)
- 7-Bromo-5-chloro-1-benzofuran-2-carbaldehyde (CAS 1483239-60-6)
- 3-Phenylpropyl propionate (CAS 122-74-7)
- 2-Amino-3,4,5,6-tetrachlorophenol (CAS 6358-13-0)
- N,1,3-Trimethyl-1H-pyrazole-5-carboxamide, 97% (CAS 136679-01-1)
- (R)-tert-Butyl 3-(aminomethyl)piperazine-1-carboxylate (CAS 1441177-17-8)
- Methyl 4-cyano-3-nitrobenzoate (CAS 1033997-01-1)
- 2-(3,4-Dimethoxy-phenyl)-1-(5-methyl-pyridin-2-yl)ethylamine (CAS 1228070-77-6)
- Gly-Neuroendocrine Regulatory Peptide-3 (human, mouse, rat) trifluoroacetate salt (CAS 1815618-19-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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