欧美国产亚洲剧情,丰满少妇被猛烈进入高清APP,国产免费播放高清在线观看av,亚洲v综合一区二区,男人的天堂精品一区二区av

DTT

二硫蘇糖醇

DL-Dithiothreitol

C₄H₁₀O₂S₂  MW  154.3  CAS：3483-12-3 

Storage：4℃

Form……………………………..white to off-white powder

Purity…………………………….97％ by titration

Stock solution………………….1Min H₂O

說(shuō)明：An excellent reagent for maintaining SH groups in reduced state. DTT is less pungent and is less toxic than 2-mercaptoethanol. Typically, a seven fold lower concentration of DTT (100 mM) is needed than is used for 2-mercaptoethanol (5% v/v,700 mM).

5g      210元