久久久久国产一区二区_国产xxxx视频在线观看_国产99视频精品免视看9_四虎影视永久地址www成人_92国产精品午夜福利

Your Position: Home > Product > Amino Acids > L-Amino Acids

L-Methionine

Update: 2015/12/28??????View:
  • Brand: ???Awonder
  • Type: ???USP/AJI/FCC/AR
  • Order Online
Introduction
L-Methionine
Product Name: L-Methionine
CAS NO.: 63-68-3
Chemical Structure:
Molecular Formula: C5H11NO2S
Molecular Weight: 149.21
Properties:

Colorless  or  white  lustrous flaky  crystal or  white  crystalline powder. Has slight odor and bitter taste. M.P.: 280-281 degree(decomposed). Soluble in water, hot diluted  ethanol, basic solution and diluted inorganic acids.   Insoluble in  ethanol, almost insoluble in  ether.

Use: pharmaceutical raw material,   nutrition supplement
Packing: 25KG fiber drum,  or upon clients' requests.
Storage: Avoid light, stored in dry and cool place; no mixing with toxic and hazardous articles. It is non-dangerous article, and can be transported as common chemicals; handle with care; protect against sunlight and rain.
More Products
主站蜘蛛池模板: 欧美日韩一区二区综合| 男女一边摸一边做爽爽| 亚洲色自偷自拍另类小说| 柠檬福利第一导航在线| 日韩欧美亚洲综合久久影院ds| 双乳被老汉揉搓a毛片免费观看| 无码色偷偷亚洲国内自拍| 东京热tokyo综合久久精品| 欧美精品在线观看| 亚洲熟女乱色综合亚洲av| 亚洲熟伦熟女新五十路熟妇| 妺妺跟我一起洗澡没忍住| 成片免费观看| 久久亚洲私人国产精品| 无码一区二区三区视频| 亚洲精品一区二区三区四区乱码| 亚洲精品成a人在线观看| 国产一区二区精品久久| 国产精品无码一区二区在线看| 97精品人妻一区二区三区香蕉| 俺去俺来也在线www色官网| 国产av一区二区三区日韩 | 欧美噜噜久久久xxx| www国产精品内射熟女| 加勒比色综合久久久久久久久| 亚洲精品无码不卡在线播he| 图片区小说区av区| 白天躁晚上躁麻豆视频| 粗一硬一长一进一爽一a级| 欧美粗大无套gay| 人妻无码第一区二区三区| 国内精品伊人久久久久妇| 国内精品久久久久久久影视| 久久成人麻豆午夜电影| 亚洲精品99久久久久中文字幕| 国产亚洲午夜高清国产拍精品| 欧美猛男军警gay自慰| 国产综合在线观看| 777米奇色狠狠俺去啦| www夜插内射视频网站 | 婷婷久久综合九色综合88|