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.Nancy1.In No Less 8years 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:
Shanghai Upbio Tech 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
Molecular formula: C11H12N2O2
Molecular weight:204.23
Description: White yellowish crystal powder, taste slightly sweet.
Specification
|
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 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
D-Tryptophan is important nutrition product, it is be used as prevention of nicotinic acid deficiency in medicine.
(4) Factory Picture:
