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
CAS NO.73-22-3
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"
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
L-Tryptophan
1.CAS:73-22-3
2.Purity:99%
3.White crystal powder
4.Nutrition supplement
AJI92, USP
Package: 10G/pack,100g/pack,1kg/pack (aluminium foil bag)
Storage：2 year
Sample: we provide free sample.
| Appearance | White to Yellowish White Crystals Crystalline Powder |
| Identification | Infrared Absorption |
| Assay | 98.5%~101.5% |
| Specific Rotation | -29.4o~-32.8o |
| PH | 5.5~7.0 |
| Loss on Drying | ≤ 0.30% |
| Residue on Ignition | ≤ 0.10% |
| Chloride(Cl) | ≤ 0.05% |
| Sulfate(SO4) | ≤ 0.03% |
| Iron(Fe) | ≤ 0.003% |
| Heavy Mental(Pb) | ≤ 0.0015% |
| ganic Volatile Impurities | Meets the Requirements |
Factory Picture:
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"