Business Type:Lab/Research institutions
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Lab/Research institutions
CAS NO.3081-61-6
99%(1-100)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
Product Name: L-Theanine
CAS#: 3081-61-6
Molecular Formula: C7H14N2O3
Molecular Weight: 174.2
Specification:
Item |
Standard |
Appearance |
White crystalline powder |
Specific rotation(a)D20 (C=1 , H2O ) |
+7.7° to +8.5° |
Solubility (1.0g/20ml H2O) |
Clear Colorless |
Melting Point (℃) |
211-216 ℃ |
Chloride(C1) |
Not more than 0.02% |
Iron(Fe) |
Not more than 10ppm |
Heavy metals( Pb ) |
Not more than 10ppm |
Arsenic(As2O3 ) |
Not more than 4ppm |
Loss on drying( 100 ℃ 3h) |
Not more than 0.50% |
Residue on ignition |
Not more than 0.2% |
Assay |
98.0-102.0% |
PH |
5.0~6.0 |
Application:
Used as pharmaceutical intermediates, biochemical reagents and raw materials for cosmetics.
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"