L-Phenylalanine

• Product NameL-Phenylalanine
  CAS No.63-91-2
  Purity
  Min Quantity
  Price~
• View Contact Detail

• 
  Molecular Structure

Detailed Description

L -Phenylalanine
Standard:QB/T4264-2011
Items Limits
Appearance White crystals or crystalline powder
Identification(IR) Conordant with the referennce spectrum
Assay 98.5～101.5
Specific rotation -33.2°～-35.2°
Transmittance ≥95
Loss on drying ≤0.30
pH 5.4～6.0
Residue on ignition ≤0.1
Chloride (Cl) ≤0.03
Sulfate (SO4) ≤0.03
Iron (Fe) ≤30
Other Amino acide ≤0.5
Heavy metals ≤15
Arsenic(As) ≤1.5
Total plate count(cfu/g) ≤3000
coliform (cfu/g) ≤10
Pathogenic bacteria Negative
• 
• L-Phenylalanine