Methyl-5-norbornene-2,3-dicarboxylic anhydrideCAS NO.: 25134-21-8

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1 Kilogram	FOB Price:USD 4.0000 -5.0000

1 Kilogram

FOB Price:USD 4.0000 -5.0000

Methyl-5-norbornene-2,3-dicarboxylic anhydride NADIC METHYL ANHYDRIDE NMA

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Chemical Properties	clear light yellow oily liquid
Purification Methods	Purify the anhydride by thin layer chromatography on Al2O3 (previously boiled in EtOAc) and eluted with hexane/C6H6 (1:2) then recrystallise it from C6H6/hexane. The free acid has m 118.5-119.5o. [Miranov et al. Tetrahedron 19 1939 1963, Beilstein 17/11 V 199.]