Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

CollectionHomepage中文版

More>>
N,N-Dimethylformamide
Product name: N,N-Dimethylformamide
CAS NO: 68-12-2;1968-12-2
Molecular weight: 73.09 
EC NO: 200-679-5
Molecular formula: C3H7NO
InChI: InChI=1/C3H7NO/c1-4(2)3-5/h3H,1-2H3
Structural formula:
  Order                   Back
 
 
 
 
 
国产色a在线观看,中文字幕人妻系列九九视频,日本成熟妇女性爱视频,国产精品系列在线