Not Less Than - 95%
2-Methoxyethyl p-toluenesulfonate; 2-Methoxyethyl p-tolylsulfonyloxy ester; 2-Methoxyethyl toluenesulfonate;4-Toluenesulfonic acid 2-methoxyethyl ester; p-Toluenesulfonic acid β-methoxyethyl ester;