免费国产美女视频永久免费_午夜在线成人毛片_日韩精品亚洲成人在线中文字幕_黄色一级片大美女_黄色网站视频日韩_国产日韩欧美福利二区_亚洲91麻豆视频_国产成熟女人性满足视频_国产精品久久久精品爽_先锋资源亚洲有码中文字幕

Welcome to Hebei Huaheng Biological Technology Co., Ltd!
Products
Contact
Hebei Huaheng Biological Technology Co., Ltd
Address: No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China Postal Code: 053200
Postal Code: 053200
TEL:0318-8628255
FAX:0318-8628286
E-mail:jizhouhuaheng@163.com
Web site:xamcp.cn/en
Current position: Products > Amino Acid > L-Proline
L-Proline


Amino Acid

L-Proline
Chemical Name:H-Pro-OH~(S)-Pyrrolidine-2-carboxylic acid

Structure Formula:

Molecular Formula:

C5H9NO2

Molecular Weight:

115.13

Cas No:

[147-85-3]

Characteristics:

White crystalline powder  

Quality Standards:

 AJI97

Item Specification (AJI97)
Appearance White crystals or crystalline powder
Assay,%99.0~101.0
Specific Rotation-84.5°~-86.0°
pH value5.9~6.9
Loss on drying,%≤0.3
Heavy Metals (as Pb),%≤0.001
Residue on Iginition,%≤0.1
Arsenic (as As),%≤0.0001
Chloride,%≤0.02
Amonium(NH4),%≤0.02
Sulfate(SO4),%≤0.02
Iron (Fe),%≤0.001
Other amino acidsNot detd.

Package and Transport:

With round paperboard drum 25kgs per drum.

Storage:

Kept in a light-proof, well-closed, dry and cool place. The expiry date is for two years.



本文地址:xamcp.cn/en/products_18.html
           
上一個(gè)產(chǎn)品:L-Lysine monohydrochloride
下一個(gè)產(chǎn)品:L-Serine
Copyright:Hebei Huaheng Biological Technology Co., Ltd.
Address: No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China Postal Code: 053200
TEL:0318-8628255
FAX:0318-8628286
E-mail:jizhouhuaheng@163.com
Web site:http://xamcp.cn

WeChat public number
Link: 暫無友情鏈接 ! |