幸运农场中奖说明|幸运农场34期|
Telephone:086-574-27803707 65607610 13777037868
中文版    |   ENGLISH
Products
Location:Home > Products
N-acetyl-L-cysteine
Product detail

N-Acetyl-L-Cysteine

CAS NO:616-91-1

Chemical Name

N-Acetyl-L-Cysteine

Molecular Structure


Molecular Formula

C5H9NO3S

Molecular Weight

163.19

Cas No

[616-91-1]

Characteristics

White crystals or crystalline powder , strongly acid taste

 


AJI92

USP24

FCC4

Appearance

White crystals or crystalline powder

White crystals or crystalline powder


Assay

98.5~101.0%

98.5~101.0%


PH

2.0~2.8

2.0~2.8


Specific rotation[a]D20°

+5.5°~+7.0°

+5.5°~+7.0°


State of solution

≥98.0%



Chloride(Cl)

≤0.04%



Ammonium(NH 4 )

≤0.02%



Iron(Fe)

≤20PPm



Heavy metals(Pb)

≤10PPm

≤10PPm


Arsenic(As2O3)

≤1PPm



Other amino acids

Conforms



Loss on drying

≤0.5%

≤1%


Residue on ignition

≤0.20%

≤0.5%


Melting point

106~110°



Organic volatile impurities


Meet the requirements


幸运农场中奖说明
重庆时时彩手机版app下载 北京pk拾彩票下载 时时彩六码倍投表 竞彩篮球稳赚 彩名堂计划app4.0 超准36码特围资料 北京快乐8奇偶和 每日督促按时计划app 北京pk10直播网站 481稳赚不赔玩法