METHYL HEXA HYDRO PHTHALIC ANHYDRIDE  (MHHPA) methyl hexahydrophthalic anhydride (MHHPA); exahydromethylphthalic anhydride; methyl-1,2-cyclohexanedicarboxylic anhydride mixture of isomers; 1,3-Isobenzofurandione, hexahydromethyl-; METHYLAEXAHYDROPHTHALIC ANHYDRIDE(MIXTURE OF 3-AND 4-); 1. Methyl Hexahydrophthalic Anhydride (MHHPA); 3-Isobenzofurandione, hexahydromethyl-1; hexahydromethyl-3-isobenzofurandione; Methylcyclohexane-1,2-dicarboxylic anhydride; Methylhexahydrophthalic anhydride; 1-Methylhexahydrophthalic Anhydride;CAS NO:25550-51-0