亚洲激情小视频,国产午夜不卡在线观看视频666,国产97在线看,国产97视频在线,久久精品国产亚洲欧美,国产高清精品一区,99视频在线免费看

中文版 English Korean

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

????

 

[Product name]:

4-Pyrazolecarboxylic Acid Ethyl Ester;

Ethyl pyrazole-4-carboxylate;

ethyl 1H-pyrazole-4-carboxylate

[Structural Formula]:

[Molecular Formula]:

C6H8N2O2

[Molecular Weight]:

140.14

[CAS NO]:

37622-90-5

[Packing]:

 

 

Properties

Appearance

White or yellow crystal powder

Melting range ℃

78-80

 

Quality Specifications

Purity%

≥98.0

Moisture %

≤0.5

 

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