Shanghai Upbio Tech Co.,Ltd
Assessed Supplier Enterprise Certification
- Assessed
Supplier - 11th
years
Assessed Supplier Enterprise Certification
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Lab/Research institutions
Tel: +86-21-52196435
Mobile:
Tel: +86-21-52196435
Fax: +86-21-54386655
Province/state: Shanghai
City: Shanghai
Street: No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China
MaxCard:
Ms.NancyCAS NO.52-90-4
99%(1-1000)Kilogram
1,In No Less five years exporting experience.
2.Lower Price with higher quality
3,Free sample
4,We are sincerely responsible for the "product quality" and "After Service"
Onchem specialized in APIs, chemical intermediates, herbal extract ， pharmaceutical raw materials and health food supplement
Company Introduction:
Onchem (China) Co.,Ltd is a comprehensive manufacturer and an international distribution
of chemicals throughout the world. Specialized in APIs, chemical intermediates, herbal extract and pharmaceutical raw materials.
Product Detailed
Product Name: L-Cysteine
Cas No.: 52-90-4
Description: white crystals crystalline powder. Solubility (H2O, g/100g): about 16(20°)
|
Test item |
Limit |
|
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
Factory Picture:
Welcome to our Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products, we will provide the competitive price for u. We are sincerely responsible for the "product quality" and "After Service"