国产熟女高潮久_男人边吃奶边爱边做视频_九九精观看品视频在线_91日韩国产成人精品

 
  中 文
  ENGLISH
PRODUCTS
 
· Chemicals
 
CONTACT
   ADD:Room 6F(G),426,Jiyang Road Central,Zhangjiagang city,Jiangsu Province China.
Tel:0512-56360183
Fax:0512-88835503  58211508
E-mail:uugxh@chemnet.com
Zip:215600
Manage:Gao XinHua
 
 
  PRODUCTS
 
 

4-(2-Hydroxyethyl)-1-piperazineethanesulfonic sodium

Date:2012/9/4 14:06:48 Popularity:1285
 

GZBUFFER HEPES-Na

4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid sodium

Synonyms: HEPES-Na; N-(2-Hydroxyethyl)piperazine-N'-ethanesulfonic Acid Sodium

 

General Characteristics

Classification

Buffers

CAS RN

75277-39-3

Specification

Appearance

White powder

Content

99%

Main application

Biological buffers.

Standard packing

1kg ;25kg

 
Copyright:ZHANGJIAGANG CHANGHUA TRADING CO.,LTD. Tel:0512-56360183 Fax:0512-88835503 58211508
Add:Room 6F(G),426,Jiyang Road Central,Zhangjiagang city,Jiangsu Province China. E-mail:uugxh@chemnet.com Zip:215600