OEM/ODM Supplier USP L-Cysteine HCl Mono - S-Carboxymethyl-L-Cysteine – Boyu
OEM/ODM Supplier USP L-Cysteine HCl Mono - S-Carboxymethyl-L-Cysteine – Boyu Detail:
Item | Specifications |
Description | White crystals or crystalline powder |
Identification | Infrared absorption uniformity |
Specific optical rotation[a]D20° | -33.5°~ -36.5° |
State of solution | ≥98.0% |
Loss on drying | ≤0.30% |
Residue on ignition | ≤0.1% |
Chloride | ≤0.04% |
Sulfate (SO4) | ≤0.02% |
Heavy metals(Pb) | ≤10ppm |
Iron (Fe) | ≤30ppm |
Ammonium (NH4) | ≤0.02% |
Arsenic (As2O3) | ≤1ppm |
Other amino acids | Qualified |
PH value | 2.0 ~ 3.5 |
Assay | 98.5% ~101.0% |
Uses: Respiratory system drugs, have the effect of expectorant and antitussive, occasionally mild dizziness, nausea, stomach upset, diarrhea, gastrointestinal bleeding, skin rash and other adverse reactions. Use with caution in patients with digestive tract. It can also be used to configure compound amino acid infusion. In terms of daily chemicals, it can be used as a raw material for whitening cosmetics.
Stored:Sealed storage, in a cool ventilated dry place. Protect them from sunshine and rain. Handle with care in order to avoid damaging the package.The expiry date is for two years.
FAQ
Q1: What fields are our products mainly used in ?
A1: Medicine, food, cosmetics, feed, agriculture
Q2: What market segments do you cover?
A2: Europe and America, Southeast Asia, the Middle East
Q3: Are your company is factory or trader ?
A3: We are factory.
Q4: How does your factory carry out quality control?
A4: Quality priority. Our factory has passed ISO9001:2015, ISO14001:2015, ISO45001:2018, Halal, Kosher. We have first-class product quality. We can post samples for your testing, and welcome your inspection before shipment.
Q5: Can I have some samples?
A5: We can provide free sample.
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We always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for OEM/ODM Supplier USP L-Cysteine HCl Mono - S-Carboxymethyl-L-Cysteine – Boyu , The product will supply to all over the world, such as: Netherlands, Costa rica, Milan, Welcome any of your inquiries and concerns for our products. We look forward to establishing a long-term business relationship with you in the near future. Contact us today. We are the first business partner for you!

We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
