N-[4-(5,6-Dimethoxy-N-phthalimidinyl)phenyl]maleimide CAS 143503-03-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143503-03-1 |
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity N-[4-(5,6-Dimethoxy-N-phthalimidinyl)phenyl]maleimide (CAS 143503-03-1) pharmaceutical standards reference standard. Molecular formula: C20H16N2O5. Molecular weight: 364.35 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 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.) | 1998 |
| Nitrogen Atoms | 2 |
Related N Standards
- 18,19-Dimethoxy-6-methyl-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 861209-62-3)
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Recommended Standards
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- 3-(Chloromethyl)-5-isopropyl-4-methyl-4h-1,2,4-triazole (CAS 1240529-11-6)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
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