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
连二亚硫酸钠(无证书)
醚磺隆溶液,100ppm
5-(Acetylamino)-1,3,4-thiadiazole-2-sulfonic Acid
恶虫威苯酚
N-Methylpropargylamine (无证书)
First Standard® 麻保沙星
盐酸安非拉酮溶液, 100ppm
3,7,11-三甲基十二碳-2,4-二烯酸乙酯 标准品
Trihalomethanes Mixture 100ug/ml in Methanol
Fenthion sulfoxide 100ug/ml in Methylene chloride