Name of product: Closantel Sodium

Expiry Year: 2 Years

Test Items

Specification

Results

Characters

Light yellow powder, odourless

Conformed

Identification

IR

Characteristic spectrum IP compared with a standard

Conformed

UV

Exhibit maximum absorption at 243nm, 284nm and 372nm

Conformed

HPLC

Characteristic RT by HPLC compared with a standard

Conformed

Water by KF

4.7%~6.0%

5.0%

Heavy metals

≤0.002%

＜0.002%

Related substances, HPLC

Total impurities

≤2.0%

1.4%

Assay by HPLC, on dried basis

98.0%~102.0%

98.7%

Residual solvents, GC

Methanol

≤3000ppm

1225ppm

Isopropyl alcohol

≤5000ppm

not detected

Butanone

≤5000ppm

not detected

Toluene

≤890ppm

not detected

Conclusion

Confirm