ENALAPRIL MALEATE

 


USP

Specific rotation              -41.0<゛-43.5<
Loss on drying                +1.0%
Residue on ignition             +0.2%
Heavy metals                 +0.001%
Related compounds:
   *any impurity(RRT1.10)          +1.0%
   *any other individual impurity     +0.3%
   *total impurities            +2.0%
Organic volatile impurities         meets the requirements
Assay                     98.0%゛102.0%

PH

pH                       2.4゛2.9
Specific optial rotation:           -48<゛ -51<
Related substances:
   *impurity A               +1.0%
   *any other impurity           +0.3%
   *total of other impurities       +1.0%
Heavy metals                 +10ppm
Loss on drying                +0.1%
Sulphated ash                +0.1%
Assay:                    98.5%゛101.5%

Actions and uses :A long-acting angiotensin converting inhibitor for oral administration.Used in the treatment of hypertension and heart failure.