Appearance

White or almost white crystal or crystalline   powder,odorless.

White   powder

Identification

Infrared Absorption

Positive

Assay

97.0~103.0%

99.40%

Loss On Drying

0.5%max

0.20%

Melting Point

98.0~104.0°C

99.5~100.0°C

Specific Rotation

+85°~+92°

'+88.5°

Free Cyclopentanepropionic acid

0.2%max

0.05%

Residue On Ignition

0.2%max

0.1%

Organic Volatile Impurities

meets the requirement.

Conforms

Residual Solvents

Benzene: 2PPm max

<2PPm

Ethyl Acetate: 5000PPm max

<5000PPm

Pyridine: 200PPm max

<200PPm

Conclusion

The specification   conform with USP36 standard