Not official USP-NF text
ASTEMIZOLE
PF LGS# Brand Type of Test Additional Information
22(1) L1 Hypersil C18 Assay Manuf. Thermo Hypersil-Keystone.
22(1) L1 Hypersil C18 Chromatographic purity Manuf. Thermo Hypersil-Keystone.
24(4) L1 Hypersil BDS C-18 Chromatographic purity 4.6-mm x 10-cm, 3-µm, base-deactivated, manuf. Thermo Hypersil-Keystone.