タイトルまたは説明

Chemical Name: (s)**-Amino**-(*-hydroxyphenyl) propionic acid
Structure Formula:

Molecular Formula: C9H*1NO3
Molecular Weight: **1.*9
CAS No: [******4]
Characteristics: White crystals or crystalline powder; Tasteless.
Quality Standards: USP*4, AJI*2.
Packaging and Storage: In *5kgs f iber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
 Item Specifications USP*4 AJI*7 Appearance White crystals or crystalline powder; tasteless  Assay,% *8.5~**1.5 *9.0~**1.0 Specific optical rotation *9.8 ° ~ **1.2° **1.3 ° ~ **2.1° Transmittance , % - - - ≥ *8.0 Heavy Metals (as Pb), % ≤ 0.**1 ≤ 0.**1 pH value - - - 5.0~ 6.5 Loss on drying, % ≤ 0.3 ≤ 0.2 Residue on ignition, % ≤ 0.4 ≤ 0.1 Chloride (as Cl),% ≤ 0.*4 ≤ 0.*2 Ammonium (as NH4),% - - - ≤ 0.*2 Sulfate (as SO4), % ≤ 0.*4 ≤ 0.*2 Iron , %  ≤ 0.**3 ≤ 0.**1 Arsenic (as As), % ≤ 0.***1 ≤ 0.***1 Other amino acids - - - Not detd.   Organic volatile impurities Meets the requirement - - -