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

????

1,1-Dioxo-hexahydro-1l6-thiopyran-4-carboxylic acid

 

Product name 1,1-Dioxo-hexahydro-1l6-thiopyran-4-carboxylic acid
Structural Formula
Molecular Formula C6H10O4S
Molecular Weight 178.2062
CAS No. 64096-87-3
Packing  
Properties
Appearance White crystal powder
Melting range °C 195.0-196.0
   
Quality Specifications
Purity % ≥98.0
Moisture % ≤0.5
   

 

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