Stability-Indicating HPLC Determination of Trandolapril in Bulk Drug and Pharmaceutical Dosage Forms

Table 7

Assay of marketed pharmaceutical formulation and API.

Drug/formulation	Present method		BP [18]
	% Assay	RSD	% Assay	RSD
Capsule	99.2	0.89	98.3	0.95
API	98.9	0.1	98.2	1.2

Student’s -test indicates no significant difference ().