Name: | Cysteine Pronunciation | CAS No.: | 56-89-3 |
---|---|---|---|
EINECS No.: | 200-296-3 | Grade: | ISO |
Apperance: | Powder | Shelf Life: | 2 Years |
Highlight: | vitamin d supplement powder,vitamin b8 powder |
Wholesale price cystine b6 pronunciation for supplement cas 56-89-3
Cystine Introduction
CAS: 56-89-3
Formula: C6H12N2O4S2
Molecular Weight: 240.30
EINECS: 200-296-3
Assay: 98.5%-101.0%
Appearance: White crystalline powder
Package: 25kg/drum
Density: 1.571 g/cm3
Melting Point: >240 ° C (DEC. )(lit. )
Boiling Point: 468.2 ° C at 760 mmHg
Flash Point: 237 ° C
Solubility: 0.112 g/L (25 ° C) in water
Usage: L-Cystine is used as cystine along with the amino acid methionine are the amino-acids necessary for wound healing.
Storage: L-Cystine should be storaged in sealed containers under room temperature
Cystine Application
1. Used in biochemical research. Preparation of biological medium. Used in biochemical and nutritional research, medicine has the body to promote the cell oxidation and reduction function, increase white blood cell and prevent pathogens such as development role. Mainly used for all kinds of hair loss syndrome. Also used for dysentery, typhoid, influenza and acute infectious disease, asthma, neuralgia, eczema, and various poisoning disease, etc., and maintain the function of protein configuration. They are also used as food additive agent.
2. Biochemical reagent, used for biological preparation of media. Is amino acid infusion and compound amino acid preparation of important component.
3. Be feed nutrition enhancer, be helpful for animal growth, increase the weight and liver and kidney function, improve the quality of fur.
4. Can make cosmetic additives, can promote wound healing and prevent skin allergy and treatment effect such as eczema.
Cystine Specification
Item | Specification | Results |
Physical Property | ||
Appearance | White Powder | Conforms |
Odor | Characteristic | Conforms |
General Analysis | ||
Identification Assay (Test by HPLC) Loss on Drying |
Identical to sample 99% - 101% ≤1.0% |
Conforms 99.88% 0.39% |
Specific Rotation | +20.0 ~+22.0° | Conforms |
Ash | ≤3.0% | 0.68% |
Contaminants | ||
Lead (Pb) | ≤3.0mg/kg | 2.2 |
Arsenic (As) | ≤2.0mg/kg | 1.6 |
Cadmium (Cd) | ≤1.0mg/kg | 0.5 |
Mercury (Hg) | ≤0.1mg/kg | 0.06 |
Microbiological | ||
Total Plate Count | ≤1000cfu/g | Conforms |
Yeast&Mold | ≤100cfu/g | Conforms |
E.Coli. | Negative | Conforms |
Salmonella | Negative | Conforms |