We are offering 1-propane-1-sulphonic acid sodium salt for hplc cas no: 14533-63-2 molecular formula : c3h7nao3s molecular weight : 146.14 gmol minimum assay (by acidimetry on dried substance) 99% ph(10%, water) 5.0-7.5 max. Absorption from 200 nm 0.15 max. Absorption from 220 nm 0.05 loss on drying(1200c) max. 2% un no. Nr hs code : 2904 10 90 s : 22-2425 f :