Model: | - |
---|---|
Brand: | - |
Origin: | Made In China |
Category: | Chemicals / Organic Chemical Materials / Organic Acid |
Label: | L-Cystine |
Price: |
-
|
Min. Order: | - |
Live Chat: | Last Online:22 Feb, 2012 |
L-Cystine and L-Cysteine Base and S-Carboxymethyl-L-Cysteine and N-Acetyl-L-Cysteine
1. L-Cystine, CAS NO.: 56-89-3
Chemical Name: L-Cystine
Molecular Formula: C6H12N2O4S2
Molecular Weight: 240.29
Characteristics: A colorless or white crystalline substance of hexagon,or crystalline powder, easily soluble in acid and alkali, insoluble in water and organic solvents such as alcohol, ethyl ether.
Packing: 25kg/drum,25kg/carton
Quality Standard: AJI92/USP28/EP5/FCCIV
2. L-Cysteine Base, CAS NO.: 52-90-4
Chemical Name: L-Cysteine Base
Molecular Formula: C3H7NO2S
Molecular Weight: 121.15
Characteristics: White crystalline powder, tasteless, easily soluble in water but insoluble in alcohol and ether.
Packing: 25kg/drum, 25kg/carton
Qualified Standard: AJI92/USP28/EP5/FCCIV
3. S-Carboxymethyl-L-Cysteine, CAS NO.: 638-23-3
Chemical Name: S-Carboxymethyl-L-Cysteine
Molecular Formula: C5H9NO4S
Molecular Weight: 179.19
Characteristics : White crystals or crystalline powder, strongly acid taste
Packing: 25kg/drum, 25kg/carton
Quality Standard: AJI92/USP28/EP5/FCCIV
4. N-Acetyl-L-Cysteine, CAS NO: 616-91-1
Chemical Name: N-Acetyl-L-Cysteine
Molecular Formula: C5H9NO3S
Molecular Weight: 163.19
Characteristics: White crystals or crystalline powder , strongly acid taste
Specification: AJI92, USP24
Appearance: White crystals or crystalline powder
mutualchem(at)gmail(dot)com