Glutathione monoester sulfonate

摘要

The present invention relates to glutathione monoester sulfonate represented by formula (I): <IMAGE> (I) (wherein R1 represent lower alkyl, and R2 represents lower alkyl, or substituted or unsubstituted aryl) which readily crystallizes and has high stability, and a simple process for producing the same. According to the process, the product having high purity can be obtained in high yields.