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

wat is L-Cystine met CAS56-89-3?

Witte schilferige kristallen of kristallijn poeder; zeer slecht oplosbaar in water, oplosbaar in ethanol en overige organische oplosmiddelen, gemakkelijk oplosbaar in verdund zuur en alkalische oplossing, gemakkelijk afgebroken in de warme alkalische oplossing; pI4.Chemicalbook6; ontleding punt is 260 -261°C; specifieke optische rotatie [α] 20D-223.4° (0.5-2.0 mg/ml, 5mol/L HCl).

Specificatie

Assay	98.5~101.5%
Specifieke rotatie[ɑ]D20	-215~-225°
Chloride(Cl -)	≤200ppm
Sulfaat(SO4)	≤200ppm
Ijzer(Fe)	≤10 ppm
Organic Impurities	individual impurity <0.2% total impurities< 2.0%
Verlies bij drogen	≤0.20%
Gloeirest	≤0.10%

Toepassing

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.