D亮氨酸(328-38-1)

Appearance

White fine crystals or White power

Specific rotation(20/D)

(C=4 in 6N HCL)

-14.0 to -16.0°Degree

Chloride (Cl)

Not more than 0.020%

Heavy metals(Pb)

Not more than 10ppm

Arsenic(As2O3)

Not more than 1ppm

Other amino acids

Chromatographically

Not detectable

Loss on drying

Not more than 0.20%

Residue on ignition(sulfated)

Not more than 0.10%

Assay

98.0 to100.5%