物质的CAS 与性质等求助? 2,4-二甲基戊二酸酐 chapman and hall number: bgr75-f molecular formula: c 7 h 10 o 3 molecular weight: 142.154 accurate mass: 142.062995 percentage composition: c 59.14%; h 7.09%; o 33.76% cas(2r,4r):4295-92-5 这个化合物手性比较复杂,就先给你找了这个 melting point: mp 41.5-42.5 degrees optical rotation: [alpha] 18 d minus69.6 (c 6 h 6 )查看更多