一级黄色片免费的|中文字幕人妻少妇无码|欧美精品45一极精品|中文字幕乱码一区二区电影|国产免费观看一区二区三区|国产精品日韩欧美亚洲二区|中文字幕第一页一区二区三区|日韩欧美精品一区二区综合视频

Welcome,

Contact:Xian Jun
Tel:+86-28-37496355
Mobile:+86-13378369793
      +86-13378369793
Fax:+86-28-37496355
Add:Group Ten, Qianjin Village, Jiangjun Town, HOngya County, Sichuan, China
E-mail:yaxing@yx-aminoacid.com

Products
L-Cysteine hydrochloride anhydrous

Product name: L-Cysteine hydrochloride anhydrous;
CAS NO£º52-89-1;
Molecular Formula: C3H7NO2S.HCl;
Molecular Weight: 157.62;
Appearance: White Crystal or white crystalline powder;
Packaging: 25KG/Drum;
Standard: AJI92;
Function:
1. Used as pharmaceutical intermediates;
2. Used as food additives to prevent oxidation and enhance nutrition;
3. Used as cosmetic materials;