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
灰毡毛忍冬皂苷乙 对照品
氯化铁比色液
Squalane-d62
N-乙酰磺胺二甲嘧啶
2-Chloro-5-methylphenol (无证书)
2,6-Dimethylheptane
4-Azidosalicylic Acid
S-生物烯丙菊酯溶液,1000ppm
PCB 15(4,4’-二氯联苯) 标准品
5-Fluoro-3-methylbenzo[b]thiophene