2H-Cyclopenta[b]quinoxaline CAS 774-68-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 774-68-5 |
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2H-Cyclopenta[b]quinoxaline (CAS 774-68-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H8N2. Molecular weight: 168.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1957 |
| Nitrogen Atoms | 2 |
Related H Standards
- 2H-Cyclopenta[g]quinoxaline (CAS 20424-48-0)
- 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
- 2-Ethyl-1H-imidazole-4-carboxylic acid ethyl ester (CAS 773138-27-5)
- 2-Ethoxy-6-methoxyphenol (CAS 90534-95-5)
- 2H-Naphtho[1,2-d]imidazole (CAS 23636-20-6)
- 3',5'-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine (CAS 40733-26-4)
- 2,3-Dimethoxy-1,4-benzenedicarboxaldehyde (CAS 179693-85-7)
- Metoprolol (CAS 51384-51-1)
- Pimavanserin Impurity 26 (CAS CATO-C4X-193826)
- 3-Chloro-2-[(thiophen-2-yl)methyl]-5-(trifluoromethyl)pyridine (CAS 339010-51-4)
- 2-Bromo-6-methoxybenzonitrile (CAS 1245647-50-0)
- Tau Peptide (306-336) (Repeat 3 Domain) trifluoroacetate salt (CAS 330456-26-3)
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 13829788188 / jacky.chen@cato-chem.com