73-40-5 1G
1397-89-3 0.1g(-18℃保存)
75-08-1 1000mg/L于甲苯,1 ml
79-11-8 1000 ng/ul于叔丁基甲醚,1ml
110-82-7 10 ng/ul于环己烷,10ml
96-34-4 1000 ng/ul于叔丁基甲醚,1ml
107-31-3 1ml
107-05-1 有证书,0.25g
75-01-4 5000 ng/ul于甲醇,5ml
501-36-0 有证书,0.1g