5-Oxo-2-(1H-pyrrol-1-yl)-4-(p-tolyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile CAS 339100-43-5
| CAS No. | 339100-43-5 |
| Molecular Formula | C21H18N2O2 |
| Molecular Weight | 330.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Oxo-2-(1H-pyrrol-1-yl)-4-(p-tolyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 339100-43-5), a certified reference material (molecular formula C21H18N2O2, MW 330.38 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H18N2O2, 5-Oxo-2-(1H-pyrrol-1-yl)-4-(p-tolyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 330.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Oxo-2-(1H-pyrrol-1-yl)-4-(p-tolyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile 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 | C21H18N2O2 |
| Molecular Weight | 330.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 4-(2,4-Difluorophenyl)tetrahydro-2H-pyran-4-amine (CAS 1343080-01-2)
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- 3-(3-(Trifluoromethyl)benzyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 338777-27-8)
- (|A-Methoxyaethyl)-isocyanat; 2-Methoxyaethylisocyanat; 1-Isocyanato-2-methoxyethane; 2-Methoxyethylisocyanate 42170-95-6 AB1008911 (CAS 42170-95-6)
- N-Cyclohexyl-2-oxooxazolidine-3-sulfonamide (CAS 116943-65-8)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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