2-(Thiophen-2-yl)quinoxaline CAS 40353-41-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40353-41-1 |
| Molecular Formula | C16H17N5O4Se |
| Molecular Weight | 422.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(Thiophen-2-yl)quinoxaline (CAS 40353-41-1) pharmaceutical standards reference standard. Molecular formula: C16H17N5O4Se. Molecular weight: 422.30 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C16H17N5O4Se |
| Molecular Weight | 422.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- Atogepant Impurity 73 (CAS CATO-C4X-328573)
- 6-(Perfluoropropan-2-yl)-3-((pyridin-3-ylmethyl)amino)-3,4-dihydroquinazolin-2(1H)-one (CAS 337457-78-0)
- 5-bromo-3-(1,3-dioxolan-2-yl)-1-(4-methylbenzenesulfonyl)-1H-indole (CAS 1803597-25-2)
- 4-Bromo-2-(2-methoxyethoxy)-1-nitro-benzene (CAS 1219730-71-8)
- N-Desbenzoyl-N-Tert-Butoxycarbonyl-N,O-Isopropylidene-3’-p-O-Benzyl-6,7-Dehydro Paclitaxel (CAS 1794640-74-6)
- 5-(Methylsulfonyl)-4-phenylthiazol-2-amine (CAS 1000018-51-8)
- (2R,3R,4S,5R)-2-(6-Amino-8-(furan-2-yl)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 547765-47-9)
- 4-Bromo-2-chloro-5-nitroaniline (CAS 872820-00-3)
- 7-Benzyl-7-azabicyclo[2.2.1]heptane-1-carbonitrile (CAS 1087789-01-2)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
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