Best quality CAS No. 328-38-1 - L-Cysteine – Boyu
Best quality CAS No. 328-38-1 - L-Cysteine – Boyu Detail:
Characteristics: White crystal or crystalline powder
| Item | Specifications |
| Specific rotation[a]D20° | + 8.3°~ +9.5° |
| State of solution (Transmittance) | ≥95.0% |
| Loss on drying | ≤0.50% |
| Residue on ignition | ≤0.10% |
| Heavy metals(Pb) | ≤10PPM |
| Chloride (Cl) | ≤0.04% |
| Arsenic (As2O3) | ≤1PPM |
| Iron (Fe) | ≤10PPM |
| Ammonium (NH4) | ≤0.02% |
| Sulfate (SO4) | ≤0.030% |
| Other amino acids | Chromatographically |
| pH value | 4.5 ～ 5.5 |
| Assay | 98.0%～101.0% |
Uses: Mainly used in medicine, food, cosmetics, biochemical research, etc.
1.The product has detoxification effect and can be used for acrylonitrile poisoning and aromatic acidosis. This product also has the effect of preventing radiation damage to the human body. It is also a medicine for the treatment of bronchitis, especially as a phlegm medicine (mostly used in the form of acetyl L-cysteine methyl ester).
2.In terms of food, it is used in bread to promote the formation of gluten, promote fermentation, mold release, and prevent aging. Used in natural juices to prevent the oxidation of vitamin C and prevent the juice from turning brown. Used as a stabilizer for milk powder, as well as a nutrient for pet food, etc.
3. In cosmetics, it can be used as a raw material for whitening cosmetics and non-toxic and side-effect hair dyeing and perm preparations. It maintains the activity of important sulfhydryl enzymes in the keratin production of skin proteins, and supplements sulfur groups to maintain the normal metabolism of the skin and regulate the underlying melanin produced by the pigment cells in the lowermost layer of the epidermis. It is a very ideal natural whitening cosmetic. It can remove the melanin of the skin itself, change the nature of the skin itself, and make the skin whiter naturally.
Stored: in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.
FAQ
Q1: What is the total production capacity of your company?
A1: Amino acids capacity is 2000 tons.
Q2: How large is your company?
A2: It covers a total area of more than 30,000 square meters
Q3: What testing equipment does your company have?
A3: Analytical Balance, Constant Temperature Drying Oven, Acidometer, Polarimeter, Water Bath, Muffle Furnace, Centrifuge, Grinder, Nitrogen Determination Instrument, Microscope.
Q4: Are your products traceable?
A4: Yes. Difference product have difference batch, the sample will be keep for two year.
Q5: How long is the validity period of your products?
A5: Tow years.
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Innovation, excellent and reliability are the core values of our firm. These principles today more than ever form the basis of our success as an internationally active mid-size corporation for Best quality CAS No. 328-38-1 - L-Cysteine – Boyu , The product will supply to all over the world, such as: Liverpool, Korea, Jamaica, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, please kindly contact us, we are looking forward to building up a great business relationship with you.
By Matthew Tobias from Swaziland - 2018.06.18 19:26
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Hilda from Norway - 2018.09.08 17:09
