Test Item

Specification

(CP2000)

Results

Appearance

Yellow to orange crystalline
Powder odourless, tasteless

Pass

Identification

conform

Pass

Related Substance

Not more than 1.0%

Not more than 0.35%
(cis structure)

Melting point

48-52℃

49-50℃

Water Content

Not more than 0.2%

0.11%

Heavy Metals

Not more than 20ppm

Pass

Residue on Ignition

Not more than 0.1%

0.089%

Assay

Not less than 98.0%

99.22%

Conclusion

Agrees with specification of the CP2000