NINGBO HI-TECH ZONE YEFENG NEW MATERIALS TECHNOLOGY CO.,LTD.
Room 1807,95 business Mansion,No.598 Jiangnan Road, Ningbo (315041) China,
TEL: +86-574-83888578
FAX: +86-574-83888577
M.T.: 013116681823
EMAIL: robinson@yefengtech.com
CAS No. 60-18-4
Other Names Free Base
MF C9H11NO3
EINECS No. 200-744-8
Place of Origin China (Mainland)
Type Vitamins, Amino Acids and Coenzymes
we suplly L-Tyrosine,Free Base,Tyrosine in competitive price
Specific optical rotation | -11.0° to -12.3° |
Assay | 99.0-101.0% |
Chlorides | ≤200ppm |
Sulphates | ≤300ppm |
Ammonium | ≤200ppm |
Iron | ≤10ppm |
Heavy metals | ≤10ppm |
Loss on drying | ≤0.5% |
Sulphated ash | ≤0.1% |
Ninhydrin-positive substances (TLC) | Up to the standard |