(S)-2-amino-7-methyl-4-(2-nitrophenyl)-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile CAS 293751-78-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 293751-78-7 |
| Molecular Formula | C16H11N3O5 |
| Molecular Weight | 325.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (S)-2-amino-7-methyl-4-(2-nitrophenyl)-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 293751-78-7) pharmaceutical standards reference standard. Molecular formula: C16H11N3O5. Molecular weight: 325.28 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C16H11N3O5 |
| Molecular Weight | 325.28 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related S Standards
- 2-Amino-7-methyl-4-(3-nitrophenyl)-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 265315-70-6)
- 2-Amino-7-methyl-4-(4-nitrophenyl)-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 220986-45-8)
- 3-Amino-3-(3-(3-(trifluoromethyl)phenoxy)phenyl)propanoic acid (CAS 213192-61-1)
- Methyl 2-{4-[2-amino-4-(trifluoromethyl)phenoxy]-phenyl}acetate (CAS 721948-20-5)
- Methyl 2-{4-[4-amino-2-(trifluoromethyl)phenoxy]-phenyl}acetate (CAS 946697-79-6)
- Methyl 2-{4-[4-amino-3-(trifluoromethyl)phenoxy]-phenyl}acetate (CAS 946784-78-7)
- 6-(5-Amino-3-methyl-1H-pyrazol-1-yl)-1-(4-fluorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1172258-73-9)
- N-(6-Amino-2-methoxypyrimidin-4-yl)-4-nitrobenzenesulfonamide (CAS 40041-58-5)
Recommended Standards
- N-Glycolyl Neuraminic Acid (CAS 1113-83-3)
- Nintedanib Impurity 158 (CAS 1023942-14-4)
- Pancratistatin (CAS 96203-70-2)
- 4-Chloro-2,5-dimethylpyridine hydrochloride (CAS 42045-92-1)
- 2-Methyl-3-(5-nitrofuran-2-carbonyl)indolizine-1-carbaldehyde (CAS 885457-18-1)
- N-(3-Amino-4-chlorophenyl)-2-(4-methoxyphenyl)-acetamide (CAS 1016692-34-4)
- Cefoxitin Impurity 33 (CAS CATO-C4X-157833)
- 2-(Benzyloxy)-3-bromo-5-methylbenzoic acid (CAS 2413441-13-9)
- Butylphthalide Impurity 1 (CAS 119-67-5)
- Peptide Impurity 27 (CAS 1350456-68-6)
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