4-Methylumbelliferone
CAS: 90-33-5
Category: Coumarin
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Fluorescent Grade ≥99.5%, Technical Grade ≥95%. |
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 |
| Appearance | white to pale yellow crystalline powder |
| Packaging | 25kg/fiber drum or 1kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Melting point — Capillary; Purity — HPLC; Identification — IR, Fluorescence (450 nm); Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Pour plate; Coumarin impurities — TLC; Residue on ignition — Muffle furnace. |
| Storage Notes | Stored in a well-closed container in a cool, dry, and well-ventilated area, protected from light. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a biochemical inhibitor and key intermediate in the synthesis of pharmaceuticals and diagnostic agents.