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Specifications

Intermediate in the production of fluorescent labeling reagents
Catalog #	012137
Form	Yellow Solid
Solubility	DMSO, Ethanol, Methanol
CAS Number	75900-74-2
Molecular Formula	C24H15NO8
Molecular Weight	445.38
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
Alternate names	(2Z)-4-[(3',6'-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)amino]-4-oxo-2-butenoic Acid;