2-Oxo-1,9-diaza-spiro[5.5]undec-3-ene-9-carboxylic acid tert-butyl ester 95%
O884868 / 250MG
CAS No.:1031927-11-3
One-component reagent for volumetric Karl Fischer titration(pyridine-free titrating agent) 1mg水/ml, 測含微量水分樣品
O886331 / 500ML
CAS No.:NONE002
One-component reagent for volumetric Karl Fischer titration(pyridine-free titrating agent) 1mg水/ml, 測含微量水分樣品
O886331 / 12X500ML
CAS No.:NONE002