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HEPES


Chemical Name:HEPES
CAS #:7365-45-9
Appearance: White crystal powder
Molecular Formula:C8H18N2O4S
Molecular Weight:238.31
Packing: 25kg plastic drum
  

 
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天天碰天天狠天天透澡_天天狠天天透天天伊人_天天影视色香欲综合网