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high purity L-Cysteine base Cas:52-90-4 for sale
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Molecular Structure
Detailed Description
high purity L-Cysteine base Cas:52-90-4 for sale
key words:L-Cysteine base, Cas:52-90-4, pharmaceutical
product name:L-Cysteine base
Cas:52-90-4
Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g): about 16(20°)
Specific rotation: +8.3 to +9.5°
State of solution(transmittance): Not less than 95.0%
Chloride: Not more than 0.04%
Ammonium: Not more than 0.02%
Sulfate: Not more than 0.030%
Iron: Not more than 10ppm
Heavy metals(Pb): Not more than 10ppm
Arsenic: Not more than 1ppm
Other Amino Acids: conforms
Loss on drying: Not more than 0.5%
Residue on ignition(sulfated): Not more than 0.10%
Assay: 98.0 to 101.0%
PH: 4.5 to 5.5
Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year
EXW Price: USD18/KG
Advantages:
1.Rich experiences. we have specialized in chemical manufacturing for 15 years.
2.high pass rate. special packages are choosen.once problem is found, package will be shipped again for free.
3.Top quality.We have a first-class machine and research team.
4.OEM service is availble.So that you can get the products only designing for yourself.
5.large stock to guarantee products are availble at any time.
6.Warm after-sale service for you 24/7.once problem is found, package will be shipped again for free.
7.Best price.price is changeable according to the quality.
contacts:email:ycgc912@yccreate.com skype:ycsclee123 whatsapp:133007130937 qq:2355880545
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contacts:email:ycgc912@yccreate.com skype:ycsclee123 whatsapp:133007130937 qq:2355880545
- high purity L-Cysteine base Cas:52-90-4 for sale
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