4-([1,1'-Biphenyl]-4-yl)-2-amino-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile CAS 331977-67-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331977-67-4 |
| Molecular Formula | C22H16N2O3 |
| Molecular Weight | 356.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-([1,1'-Biphenyl]-4-yl)-2-amino-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 331977-67-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H16N2O3. Molecular weight: 356.37 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H16N2O3 |
| Molecular Weight | 356.37 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-((6-Amino-1-isobutyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(2-methoxyethyl)amino)-4-oxobutanoic acid (CAS 743442-03-7)
- 4-[(2-{[(3-methoxyphenyl)amino]carbonyl}phenyl)(methyl)amino]-4-oxobutanoic acid (CAS 730976-62-2)
- 3-{4-[2-(1-Naphthyloxy)acetyl]-1-piperazinyl}-3-oxopropanoic acid (CAS 896508-17-1)
- 4-Cyano-3,5-difluorophenyl (1s,4r)-4-propylcyclohexane-1-carboxylate (CAS 170447-78-6)
- Methyl 6-amino-4-fluoropicolinate (CAS 1446509-55-2)
- Efavirenz Impurity 24 (CAS CATO-C4X-162724)
- 3-(Methylamino)-1,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one (CAS 1214165-79-3)
- Rapamycin Impurity 19 (CAS 144293-63-0)
- 3-(Difluoromethyl)-4-hydroxypicolinonitrile (CAS 1804485-80-0)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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