Specification :

Product Name: H-DL-Tyr-OH CAS# : 556-03-6
Synonyms: DL-Tyrosine Molecular Formula: C9H11NO3
Specifications: ( Reference Standard AJI92)
Item Standard Analysis data
State of solution
( Transmittance) Not less than 95.0%
Chloride ( Cl) Not more than0.10%
Heavy metal( Pb) Not more than 10ppm
Arsenic( As2O3) Not more than 2ppm
Other amino acids Chromatographically
not detectable
Loss on drying Not more than 0.20%
Residue on ignition( sulfated) Not more than 0.20%
Assay 98.0 to101.0%