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
油麦菜敌敌畏质控样 BQC1350221975B
莠灭净农药纯度标准物质 中国计量院
Dichloroalkane Kit
25% Weathered Kerosene Solution 5000ug/ml in Methylene chloride
无水柠檬酸 标准品
六氯苯 BePure-23313LI
Sotalol Related Compound B
9-苯基蒽
Diphenyl-4-carboxaldehyde (无证书)
First Standard® 异噁草酮