Not official USP-NF text
NIFEDIPINE
PF LGS# Brand Type of Test Additional Information
11(3) L1 C-18-IP Ultrasphere Assay and Related Compounds 5-µm. Alternative column Luna C18(2) (Phenomenex).
12(5) L1 None Cited Identification NULL
16(3) G27 None Cited Organic volatile impurities See Method I 467
18(1) G43 None Cited Organic volatile impurities See Method V 467