Magnesium thiosulfate hexahydrate CAS 10124-53-5 powder

Introduction of 1-ETHYL-1-METHYLPYRROLIDINIUM BROMIDE 69227-51-6 powder

L-Cystine with CAS 56-89-3

CAS:56-89-3
Molecular Formula:C6H12N2O4S2
Molecular Weight:240.3
EINECS:200-296-3

Synonyms:Nephrin; Oxidized L-cysteine; oxidizedl-cysteine; Propanoic acid, 3,3′-dithiobis(2-amino-, (R-(R*,R*))-(R)-(-)-CYSTINE; (R,R)-(-)-CYSTINE; (R,R)-3,3′-DITHIOBIS(2-AMINOPROPIONIC ACID); l-cysteinedisulfide; l-cystin; L-Dicystiene; BETA,BETA’-DITHIOBIS-A-AMINOPROPIONIC ACID

what is of L-Cystine with CAS56-89-3?

White flaky crystal or crystalline powder; very slightly soluble in water; insoluble in ethanol and other organic solvents, easily soluble in dilute acid and alkaline solution, easily decomposed in hot alkaline solution; pI4.Chemicalbook6; decomposition point is 260 -261°C; specific optical rotation [α] 20D-223.4° (0.5-2.0 mg/ml, 5mol/L HCl).

Specification

Assay	98.5~101.5%
Specific rotation[ɑ]D20	-215~-225°
Chloride(Cl)	≤200ppm
Sulfate(SO4)	≤200ppm
Iron(Fe)	≤10ppm
Organic Impurities	individual impurity <0.2% total impurities< 2.0%
Loss on drying	≤0.20%
Residue on ignition	≤0.10%

Application

1. For biochemical research. Prepare biological medium. It is used in biochemical and nutritional research, and in medicine, it can promote the oxidation and reduction functions of the body’s cells, increase white blood cells, and prevent the development of pathogenic bacteria.
2. Biochemical reagents for the preparation of biological culture medium. It is also an important component of amino acid infusion and compound amino acid preparations.
3. It is used as feed nutrition fortifier, which is beneficial to animal development, increase body weight and liver and kidney function, and improve fur quality.
4. It can be used as a cosmetic additive, which can promote wound healing, prevent skin allergies and treat eczema.