Audited Supplier
52-90-4
52-90-4
Cys
200-158-2
L-Cysteine
Powder
Agriculture Grade
Organic Acid
Food Grade
Plastic Drum
Polyatomic Acid
121.16
1.197
Organic Synthesis
Cysteine
Dongfang
25kg
25KG/BAG, 25KG/CARTON, 25KG/DRUM
China
29309012
Product Description
L-cysteine is an amino acid antidote, which participates in the reduction process of cells and phospholipid metabolism in the liver, protects liver cells from damage, promotes liver function recovery and vigorous pharmacological effects. It is mainly used for radiopharmaceutical poisoning, heavy metal poisoning, antimony poisoning, hepatitis, toxic hepatitis, serum sickness, etc., and can prevent liver necrosis. If this product is used for the rescue of antimony poisoning, it should be administered in time and in sufficient quantities, so that it can be excreted with antimony ions to the greatest extent possible to generate non-toxic soluble complexes.
Food Grade:
| Item | Specifications (AJI97 ) |
| Appearance | White crystal or crystalline powder; tasteless |
| Assay, % | 98.5~101.0 |
| Specific rotation | -218°~ -224° |
| Loss on drying, % | ≤0.2 |
| Transmittance, % | ≥98.0 |
| Chloride (as Cl), % | ≤0.02 |
| Sulfate (as SO4), % | ≤0.02 |
| Ammonium as (as NH4), % | ≤0.02 |
| Iron (as Fe), % | ≤0.001 |
| Heavy Metals (as Pb), % | ≤0.001 |
| pH Value | 5.0~6.5 |
| Residue on ignition, % | ≤0.1 |
| Other amino acid | Conforms |
| Item | Specifications (AJI97 ) |
Pharm Grade:
| Item | Specifications (AJI97 ) |
| Appearance | White crystal or crystalline powder; tasteless |
| Assay, % | 98.5~101.0 |
| Specific rotation | -218°~ -224° |
| Loss on drying, % | ≤0.2 |
| Transmittance, % | ≥98.0 |
| Chloride (as Cl), % | ≤0.02 |
| Sulfate (as SO4), % | ≤0.02 |
| Ammonium as (as NH4), % | ≤0.02 |
| Iron (as Fe), % | ≤0.001 |
| Heavy Metals (as Pb), % | ≤0.001 |
| pH Value | 5.0~6.5 |
| Residue on ignition, % | ≤0.1 |
| Other amino acid | Conforms |
| Item | Specifications (AJI97 ) |
| Appearance | White crystal or crystalline powder; tasteless |
| Assay, % | 98.5~101.0 |
| Specific rotation | -218°~ -224° |
Mainly used in medicine, cosmetics, biochemical research and other aspects.
1. Used in bread to promote gluten formation and promote fermentation, mold production, prevent aging, etc.
2. Used in natural fruit juice to prevent vitamin C oxidation and prevent the juice from turning brown.
3. The product has detoxification effect and can be used for acrylonitrile poisoning and aromatic acidosis. The product also has the effect of preventing radiation damage to the human body, and is also a drug for the treatment of bronchitis, especially as a phlegm reducing drug (mostly used in the form of acetyl L-cysteine methyl esterate.
4. Cosmetics are mainly used for beauty water, perm liquid, skin cream for sun protection, etc
Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.
Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q3: Is there a discount?
A:Different quantity has different discount.
Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Bitcoin.
Q5: 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.
Q6. We don't know you at all, how can we trust you?
A: You are always warm welcomed to visit us at any time.Before we start B2B, MIC has audited our company on-spot and approved our credit.Commitment is the No.1 Point of our Enterprise's Value.
Q7.Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
