Shanghai Upbio Tech Co.,Ltd（expird）
Free supplier Enterprise Certification
- Free
supplier - 12th
years
Free supplier Enterprise Certification
Business Type:Lab/Research institutions
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Lab/Research institutions
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 (China) Co.,Ltd is Specialized in APIs, chemical intermediates, herbal extract and pharmaceutical raw materials.
(1) 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. our products sell
well in Europe, U.S.A., Japan and Korea, Southeast Asia, Taiwan and other country.
(2) Product Detail
D-Tryptophan
CAS No.:153-94-3-6
purity:99.0%
standard:FCCIV/USP24/EP2000/AJI92
package:25KG/BAG, 20MT/1*20'FCL
|
Item
|
Limit
|
|
Appearance
|
White yellow crystalline powder
|
|
Assay
|
99.0%~101.0%
|
|
Specific Rotation [α]D20
|
+30.5°~ +32.5°
|
|
Transmittance
|
≥95.0%
|
|
PH
|
5.5~ 6.4
|
|
Loss on Drying
|
≤0.2%
|
|
Residue on Ignition
|
≤0.1%
|
|
Chloride [Cl-]
|
≤0.02%
|
|
Sulfate [SO42-]
|
≤0.02%
|
|
Ammonium [NH4+]
|
≤0.02%
|
|
Heavy Metals [Pb]
|
≤10ppm
|
|
Iron [Fe]
|
≤10ppm
|
|
Arsenic [As2O3]
|
≤1ppm
|
|
Other Amino Acids
|
Conforms
|
Delivery: 3days by EMS,FEDEX,DHL.
Welcome to Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products, we will provice the
competitive price for u. We are sincerely responsible for the "product quality" and "After Service"
(3) Application
