| CAS No.: | 52-90-4 |
|---|---|
| Formula: | C3h7no2s |
| EINECS: | 200-158-2 |
| Type: | Synthesis Material Intermediates |
| Appearance: | Powder |
| Quality: | Refined |
| Samples: |
|---|
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Audited Supplier Product Name:L-Cysteine
CAS No.:52-90-4
Other Names:(R)-2-Amino-3-mercaptopropionic acid
MF:C3H7NO2S
EC No.:200-158-2
Grade:Food Grade,Pharm Grade
Standard:USP/AJI/EP/CP
Shelf life:2 Years
Appearance:White Powder
Assay:98.5%-101.0%
Molecular Weight: 121
Description:
L-Cysteine is a semi-essential amino acid found naturally in the human body.Cysteine, along with the amino acids glutamine and glycine, is a building block of the powerful antioxidant glutathione.The amino acid may provide a variety of health benefits. In alternative medicine, L-cysteine is touted as a natural treatment for:Angina Cardiovascular disease:Chronic bronchitis DiabetesFlu,Inflammatory bowel disease and Osteoarthritis.In addition, it is said to enhance lung health in people with chronic obstructive pulmonary disease (COPD), and can also help prevent colon cancer, boost sports performance, and promote detox.
| Appearance | White crystals or crystalline powder |
| Identification | Meet the requirements |
| Specific rotation[α]D20 | +8.3°~ +9.5° |
| State of solution | ≥ 95.0% |
| Chloride(Cl) | ≤ 0.2% |
| Ammonium(NH4) | ≤ 0.02% |
| Sulfate(SO4) | ≤ 0.030% |
| Iron(Fe) | ≤ 10 ppm |
| Heavy metals(Pb) | ≤ 10 ppm |
| Arsenic(As2O3) | ≤ 1 ppm |
| Other amino acids | ≤ 1.0% |
| Loss on drying | ≤ 0.5% |
| Residue on ignition | ≤ 0.1% |
| Assay | 98.0 ~ 101.0% |
| Ph | 4.5 ~ 5.5 |
Function:
1 L-cysteine may aid in the treatment of diabetes by lowering blood sugar, reducing insulin resistance, and preventing blood vessel damage.
2 L-cysteine may help prevent exercise-induced overproduction of free radicals, a process shown to contribute to oxidative stress.
3 L-Cysteine has been proposed as a preventive or antidote for some of the negative effects of alcohol, including liver damage and hangover.
4 L-cysteine is an amino acid antidote. It participates in the reduction process of cells and the metabolism of phospholipids in the liver. It has a pharmacological effect of protecting liver cells from damage, promoting liver function recovery and exuberant.
Ningbo Newrainbow Biochemicals Co.,Ltd. is an Eastern China-based import and export company dealing with Amino acids, Vitamins, Plant Extracts and all the other Ingredients which are widely used in pharmaceutical, nutraceutical, food and cosmetical industry. Started in the year of 2012, we understand the importance of timely shipping and have built our business around reliable services. From beginning to the end, our customers know that they can trust our team to deliver only the highest quality customer service.
Ningbo is a beautiful city and also an ancient harbour city. It is an important trading port and today with 1.2 billion tons of freight the biggest harbour all over the world. And only 2 hours drive to Shanghai city. Thanks to the big advantages of location, we have very good partners of logistic solution to eliminate all of customers supply chain inefficiencies for you.
Our young company started from the year of 2012, we have developed very good partnership with a lot of manufacturers here and many esteemed customers abroad.All the manufacturers we cooperated are carefully screened and we go to their plant often in case of inspection for some purpose. Certificates such like KOSHER/HALAL/FSSC are all available.
1.Strictly quality inspection before delivery
2.Very good logistics and transportation service
3.Good payment terms
4.Good communication
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Audited Supplier 
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