Losartan Potassium 124750-99-8

Product name

Losartan Potassium 

Molecular Formula

C22H23ClKN6O

Molecular Weight

462.01

CAS No.

124750-99-8

Quality Standard

98.5% up, USP32, medical grade

Appearance

White powder

ITEMS

SPECIFICATION

RESULTS

APPEARANCE

A WHITE TO OFF-WHITE POWDER.

WHITE CRYSTALLINE POWDER

IDENTIFICATION

(1) INFRARED ABSORPTION

MUST SIMILAR TO REFERENCE STANDARD

CONFORMS

(2) ULTRAVIOLET ABSORPTION

MUST SIMILAR TO REFERENCE STANDARD

CONFORMS

3)TEST FOR POTASSIUM MUST BE POSITIVE

POSITIVE

WATER

NOT MORE THAN 0.5%

0.2%

HEAVY METALS

NOT MORE THAN 0.001%

CONFORMS

CHROMATOGRAPHIC PURITY

ANY INDIVIDUAL IMPURITY:NMT 0.2%

0.02%

TOTAL IMPURTIES:NMT 0.5%

0.10%

RESIDUAL SOLVENTS

CYCLOHEXANE

ISOPROPANOL  ALCOHOL

NMT 0.1%

NMT 0.2%

0.010%

0.03%

ASSAY (HPLC)

98.5%-101.0%

99.4%

PARTICLE SIZE

90% LESS THAN 38 MICRONS

29.8 MICRONS

CONCLUSION

COMPLIES WITH USP32 AND REQUIREMENT OF ADDITIONAL ITMES.