Item

Specification

Appearance

White crystalline powder

Identification

IR: The infrared absorption spectrum of the sample complies with the reference standard.

UV: Meets the standard.

Specific Rotation

+76.0°~ +83.0°

Melting Point

173.0℃-179.0℃

Moisture

≤ 3.5%

Related Substances

Any individual impurity ≤ 0.5%

Total impurities ≤ 1.0%

Residual Solvents

Ethanol ≤ 5000ppm

Dichloromethane ≤ 600ppm

Assay (on dried basis)

97.0%-103.0%