Audited Supplier
99%
56-89-3
C6H12N2O4S2
Paper
Normal
>12 Months
Amino Acid
Chemosynthesis
99%
Food Additives
White
White Crystals or Crystalline Powder
240.301
L-Cystine
DawnChem
25kg/Drum
99%
China
2930909099
Product Description
Product Description
roduct Name: L-Cystine
CAS No: 56-89-3
Molecular Formula: C6H12N2O4S2
Qualit Standard: AJI92/USP32
Cysteine, one of the 20 natural amino acids, is a non-essential amino acid containing sulfur (like methionine). Animals can be synthesized by methionine and serine. It can alleviate and repair radiation damage to human body. It also has a wide range of detoxification effects in human body, and is a therapeutic drug for acrylonitrile and aromatic acidosis. It helps to break away from alcohol addiction and is necessary for the brain and liver to function; it is necessary for the regeneration of liver cells
Items | Specifications |
Appearance | White crystals or crystalline powder. |
Specific rotation [a]o20 | -215°~-225° |
State of solution | ≥98.0% |
Chloride | ≤0.020% |
Ammonium | ≤0.02% |
Sulfate | ≤0.020% |
Iron | ≤20ppm |
Heavy metals | ≤10ppm |
Arsenic | ≤1ppm |
Other amino acids | ≤0.2% |
Loss on drying | ≤0.20% |
Residue on ignition | ≤0.10% |
Assay | 98.5~101.0% |
pH | 5.0~6.5 |
Shandong Dawnchem Company Limited., is a collection of research and development, production, sales and service in one of the chemical products company.The company is located in "quancheng" jinan.Jinan is a national historical and cultural city, one of the first batch of China's outstanding tourist cities, one of the birthplace of prehistoric culture longshan culture.
The company mainly engaged in food/feed additives, vitamins and Amino acid.Products are exported to the United States, South Korea, Turkey, Poland, Japan, southeast Asia, Europe, the Middle East and other countries and regions.
The company mainly engaged in food/feed additives, vitamins and Amino acid.Products are exported to the United States, South Korea, Turkey, Poland, Japan, southeast Asia, Europe, the Middle East and other countries and regions.
1:Can I get some samples before bulk order?
Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
For the high value product, our MOQ starts from 10g,100g and 1kg.
3: Which kind of payment terms do you accept?
PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union, L/C.
4.How to place an order?
You can contact me through Trademanager, WhatsApp, Skype Online and other contact methods, tell me the product and quantity you need, and then we will give you a quote. If you choose one of the above payment methods, we will arrange the delivery for you.
5:How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your advance payment.
6:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
