如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
STOPCOCKS, 24 PCS.
(1S,2S)-N-(对甲苯磺酰)-1,2-二苯基乙二胺
ERLENMEYER-FLASKS, WITH SCREW-THREAD, 250 ML, GL 32, 85 X 140 MM
10x3mm 3um Hypersil GOLD SAX
微晶蜡
85%vespel,15%石墨垫(0.5mm短垫)
2-氯-5-氟苯胺
HyperSep SCX 20g 75ml column 10个/包装