Cas# 1120-71-4, The purity of our product is 99.5%(GC) min, Appearance is clear liquid Used as Pharmaceutical Intermediate 1, Appearance Clear liquids2, Purity 99.5%(GC)min MP 30-31oC3, Used as one raw material Pharmaceutical Intermediates4, We can provide it immediately after your order 1,3-PS(Propane Sultone)