Not official USP-NF text
PROPOXYPHENE NAPSYLATE
PF LGS# Brand Type of Test Additional Information
25(3) L1 MicroBondapak C18 Assay 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
10(5) G2 None Cited Related compounds 3%.
10(5) S1AB Gas Chrom Q Related compounds NULL