Also Called: hexahydro-1-methylphthalic anhydride; hexahydromethylphthalic anhydride; Hexahydro-1-methylphthalicanhydride(Note: see also CAS No 19438-60-9; 25550-51-0 & 57110-29-9);Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride [3], Hexahydro-3-methylphthalic anhydride [4][The individual isomers [2], [3] and [4] (including their cis- and trans- stereo isomeric forms) and all possible combinations of the isomers [1] are covered by this entry];Hexahydromethylphthals‰ureanhydrid;Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride [3], Hexahydro-3-methylphthalic anhydride [4] [The individual isomers [2], [3] and [4] (including their cis- and trans- stereo isomeric forms) and all possible combinations of the isomers [1] are covered by this entry];Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride [3], Hexahydro-3-methylpht;Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride [3], Hexahydro-3-methylphthalic anhydride [4] [The individual isomers [2], [3] and [4] (including their cis- and trans- stereo isomeric forms) and all possible combinations of the isomers [1] are covered by this entry];Hexahydromethylphthalsäureanhydrid;Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride [3], Hexahydro-3-methylphthalic anhydride [4] [The individual isomers [2], [3] and [4] (including their cis- and trans- stereo isomeric forms) and all possible combinations of the isomers [1] are covered by this entry];1,3-Isobenzofurandione, hexahydro-3a-methyl-;Hexahydro-1-metylftalsyraanhydrid;anhydride hexahydro-1-méthylphtalique;hexahidro-1-metilftálsav-anhidrid;607-241-00-6;heksahidro-1-metilftalskābes anhidrīds;7a-methyl-4,5,6,7-tetrahydro-3aH-2-benzofuran-1,3-dione