CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

Tests

Standard

Appearance

White to almost white crystalline powder or colorless crystal

Identification IR

Meet the requirement

Loss on drying

0.2%max

Specific rotation

+89.0°~ +93.0°

Solution color and clarity

Solution clarity and the sample should be light in color standard

Melting range

229-232℃

Residue on ignition

0.1%max

Heavy metals

10ug/g max

As

1ug/g max

Related substances(TLC)

Any impurity≤0.5%

At most one impurity≥0.25%

Assay

98.5-100.5%