4-Methylumbelliferone-13C4

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Catalogue number:	PA STI 064760
Chemical name:	4-Methylumbelliferone-13C4
CAS Number:	1569304-40-0
Category:	stable isotopes,miscellaneous compounds
Synonyms:	7-Hydroxy-4-methylcoumarin; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one-13C4; 7-Hydroxy-4-methyl-coumarin; 7-Hydroxy-4-methyl-2-chromenone-13C4; 7-Hydroxy-4-methyl-2-oxo-3-chromene; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one-13C4; NSC 19026; NSC 9408; Omega 127-13C4; Pilot 447-13C4; β-Methylumbelliferone-13C4;
Molecular form:	C₆₁₃C₄H₈O₃
Appearance:	Off-White to Yellow Solid
Mol. Weight:	180.14
Storage:	2-8°C Refrigerator
Shipping Conditions:	Ambient
Applications:	Isotope labelled 4-Methylumbelliferone, the standard for the fluorometric determination of enzyme activity. Highly fluorescent in alkaline solution. Fluorescence: max Abs. l = 360nm, max. Em. l = 449nm; pH > 9