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CAS NO.56-89-3
industrial grade(1-5)Gram industrial grade(5-99)Gram
Superiority
As a reliable partner for Chinese market, we are specialized in chemical raw materials; consolidate sourcing, marketing, sales, distribution and after-sale services, providing our partners with sourcing evaluation, technology supports, toll/contract manufacture, investment solution and suitable partnership establishment in China.
Service we can provide:
1. provide costomers with "one-stop"packaging service,from manufacture ,research,development,production,export and so on
2. Quality control, before shipment.
3. Prompt shipment with professional documents
4. Packing as your request, with photo before shipment
5.Mix and different products in ONE PCL,increase the working efficiency for customers.
6.We can export from many China main ports,convenient for the customes provide logistics services.
Professional Loading:
Our Advantages:
Full experience of large numbers containers loading in Chinese sea port
Fast shipent by reputed shipping line
Packing with pallet as buyer's special request
Cargoes together with container sales service available
Cargoes photo before and after loading into container
Raw materials from Chinese origin
1.We will provide you with professional loading
2.We have one team supervise uploading the materials. We will check the container, the packages
3.Every step, taking pictures and make records.
4.we will make a complete Loading Report for our customer of each shipment.
Product Name L-Cystine
Alias Dimercaptoalanine
Molecular Formula C3H7NO2S3
Molecular Weight 185.28818
CAS No. 56-89-3;24645-67-8
Shelf Life 2 years
Quality Standard AJI92
Specification:
Analytical Items |
Standard |
Appearance |
White crystal powder |
Assay |
98.5%~101.0% |
pH |
5.0~6.5 |
Specific rotation |
-215°~225° |
Transmittance |
≥98.0% |
Loss on drying |
≤0.2% |
Residue on ignition |
≤0.1% |
Chloride (as Cl) |
≤0.02% |
Sulphate (as SO4) |
≤0.02% |
Iron (as Fe) |
≤0.001% |
Ammonium (as NH4) |
≤0.02% |
Heavy Metals (as Pb) |
≤0.001% |
Arsenic |
≤0.0001% |
Application:
1) For biochemical research. Biological media were prepared. Used in biochemistry and nutrition research, medicine to promote the body cell oxidation and reduction function, increase white blood cells and prevent the development of pathogens and other effects. Mainly used for all kinds of alopecia. Also used for dysentery, typhoid, influenza and other acute infectious diseases, asthma, neuralgia, eczema and various poisoning disorders, and has the role of maintaining protein configuration. Also used as a food flavoring agent.
2) Biochemical reagent, used for preparation of biological medium. It is also an important component of amino acid infusion and compound amino acid preparation.
3) As feed nutrition fortifier, conducive to animal development, increase weight and liver and kidney function, improve the quality of fur.
4) As a cosmetic additive, it can promote wound healing, prevent skin allergy and treat eczema.
Packing:
25kg/drum
Storage:
Store in tightly closed original container, protected from light, in a dry place.