Hydroxypropyl Methyl Cellulose: 1.HPMC 2.Purity:98% 3.Appearance:white powder 4.Package:25kg/ bag. ... :S24/25Synonyms:HPMC;(2R,3R,4S,5R,6S)-3,4,5-trimethoxy-2-(methoxymethyl)-6-[(2R,3R ... )-4,5,6-trimethoxy-2-(methoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran; 1-[[(2R,3R,4S,5R ... ,6-tris(2-hydroxypropoxy)-2-(2-hydroxypropoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran-2-yl]methoxy]propan-2 ...