7-Hydroxy-4-methylcoumarin

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£249.00

SKU:: 234911
Molekulargewicht:: 176.17
Reinheit:: ≥99% (HPLC)
Lagerbedingungen:: 4°C
Hersteller:: United States Biological
CAS Number:: 90-33-5
Format:: Slight yellow to off-white crystalline powder
Weitere Details:: Standard for the fluorometric determination of enzyme activity. Highly fluorescent in alkaline. Synonyms: 7-Hydroxy-4-methylcoumarin; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one; 7-Hydroxy-4-methyl-coumarin; 7-Hydroxy-4-methyl-2-chromenone; 7-Hydroxy-4-methyl-2-oxo-3-chromene; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one; NSC 19026; NSC 9408; Omega 127; Pilot 447; β-Methylumbelliferone CAS No: 90-33-5 Molecular Formula: C10H8O3 Molecular Weight: 176.17 Purity (HPLC): ≥99% Appearance: Slight yellow to off-white crystalline powder Melting Point: 187-191°C Residue on Ignition: ≤0.5% Water (Karl Fischer): ≤0.5% Related Substances: Total Impurities: ≤1% Solubility: 50mg/ml in MeOH, heated Storage and Stability: Store at 4°C. Product is stable for 12 months from time of receipt.