2H-Cyclopenta[g]quinoxaline CAS 20424-48-0
| CAS No. | 20424-48-0 |
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2H-Cyclopenta[g]quinoxaline (CAS 20424-48-0), a certified reference material (molecular formula C11H8N2, MW 168.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H8N2, 2H-Cyclopenta[g]quinoxaline contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.19 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).
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 2H-Cyclopenta[g]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 | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related H Standards
- 2H-Cyclopenta[b]quinoxaline (CAS 774-68-5)
- 3AH-cyclopenta[b]quinoxaline (CAS 34852-19-2)
- 4H-Cyclopenta[b]quinoxaline (CAS 269-66-9)
- (1-(Cyclopenta-2,4-dien-1-ylidene)ethyl)benzene (CAS 2320-32-3)
- Cyclopenta[d]imidazole-2,4(1H,3H)-dithione (CAS 853944-78-2)
- 4H-Cyclopenta[b]quinoline (CAS 268-84-8)
- 2-(3-(Cyclopenta-2,4-dien-1-ylidene)prop-1-en-1-yl)furan (CAS 66546-56-3)
- 5-(Cyclopenta-1,3-dien-1-yl)imidazolidine-2,4-dione (CAS 875827-06-8)
Recommended Standards
- 2H-Naphtho[1,2-d]imidazole (CAS 23636-20-6)
- 2-Ethyl-1H-imidazole-4-carboxylic acid ethyl ester (CAS 773138-27-5)
- 2H-Naphtho[2,3-d]imidazole (CAS 23636-21-7)
- 2-Ethoxy-6-methoxyphenol (CAS 90534-95-5)
- 2-Isopropylimidazoline (CAS 40029-86-5)
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- N-Methoxyfuran-2-carboxamide (CAS 42361-45-5)
- Latamoxef Impurity 32 (CAS CATO-C4X-179832)
- (2,4-Dimethylpyrazol-3-yl)boronic acid (CAS 1876473-40-3)
- 3-Amino-7-chloro-1,2,4-benzotriazine (CAS 5423-53-0)
- 2,5-Dichloro-4-methoxy-6-methylpyrimidine (CAS 1192479-55-2)
- 2-Chloro-N-[2-(2,4-dichlorophenyl)ethyl]acetamide (CAS 34162-22-6)
- (4-phenyl-1h-1,2,3-triaZol-5-yl)methanol (CAS 876592-09-5)
- Rac1 Inhibitor F56, control peptide (CAS 1315378-77-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com