Jiaxing trustchem i & e co.,ltd

We produce OPTSA,PTSA,N-E-OPTSA,BBSA,OBSC,PHBA,BSC,PTSC,SPTS,PTSM,PTSE,BSH,RA,TSH,TM,BM,ZBS,OBSH,DEHA

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N-ethyl-o,p-toluene sulfonamide ( n-e-optsa ) cas 8047-99-2
O/p toluene sulfonamide ( optsa ) cas 1333-07-9
Para-toluenesulfonate ( ptsa ) cas 70-55-3

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