Items

Standard

Result

Appearance

White or off white powder

Off white powder

Identification

IR spectra is consistent with CRS.

The retention time of the major peak of the assay preparation corresponds to that of the standard preparation, as obtained in the assay.

Conforms

Conforms

Water

≤5.0%

3.0%

Cis-Isomer

82.0%-88.0%

86.0%

Trans-Isomer

12.0%-18.0%

14.0%

Individual impurities

≤3.0%

1.2%

Total impurities

≤10.0%

5.3%

Residue on ignition

≤5.0%

0.9%

Heavy metal

≤30ppm

Conforms

Assay

≥85.0%

91.4%

Conclusion

Complies with CVP2015 standard