2-Amino-5-oxo-7-phenyl-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile CAS 311326-51-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 311326-51-9 |
| Molecular Formula | C20H16N2O2S |
| Molecular Weight | 348.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-5-oxo-7-phenyl-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 311326-51-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16N2O2S. Molecular weight: 348.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O2S |
| Molecular Weight | 348.42 g/mol |
| 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 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-{2-[2-(4-methylphenyl)-1,3-thiazol-4-yl]ethyl}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 860786-87-4)
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- 2,5-Dimethyl-1-[3-(morpholine-4-sulfonyl)phenyl]-1H-pyrrole-3-carbaldehyde (CAS 328028-84-8)
- (S)-3-(3-Fluorobenzyl)piperazin-2-one (CAS 1240588-97-9)
- 2-[3-cyclopropyl-4-(difluoromethyl)-6-(4-fluorophenyl)-1h-pyrazolo[3,4-b]pyridin-1-yl]acetic acid (CAS 937607-28-8)
- Gadoteridol impurity 32 (CAS CATO-C4X-225732)
- 2-Phenyl-1,4-dihydroimidazo[4,5-b]indole (CAS 161331-45-9)
- 3-Chloropyridazine-4-carbaldehyde (CAS 1797131-37-3)
- 2-Hydrazinyl-N,6-dimethylpyrimidin-4-amine (CAS 388622-91-1)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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