毛片24种姿势无遮无拦,丁香色情成人免费视频网站,亚洲精品无码高潮喷水A片第一次,亚洲精品无码久久毛片

中文版 English Korean

??:+86-573-82813639, 83621335
??:+86-573-82813637
???:? ? +86-13605839392
??:sales@jlightchem.com
???:http://www.xwzoi.cn

????

 

[Product name]:

O-permethylated E-resveratrol;

3,5,4'-trimethoxystilbene;

3,4',5-Trimethoxy-trans-stilbene;

1,3-dimethoxy-5-[(1E)-2-(4-methoxyphenyl)ethenyl]-benzene;resverarol ;

 

[Structural Formula]:

[Molecular Formula]:

C17H18O3

[Molecular Weight]:

270.32300

[CAS NO]:

22255-22-7

[Packing]:

 

 

Properties

Appearance

 

Melting range ℃

56ºC-58ºC

 

Quality Specifications

Purity%

≥98.0

Moisture %

≤0.5

 

[ CLOSE ]
Copyright(C)2012, ??? ????? ?? All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle