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
Working Level Aroclor 1221 with Surrogates 标准品
氘代维生素D3 (26,26,26,27,27,27-d6) 标准品
Phenol C0-C1 Kit (neat)
甲基托布津 标准品
1-Hydroxy-2-naphthoic acid
2-Methylthio-3-isopropylpyrazine
GBW10158 苏丹红II
大米粉中的久效磷质控样
Custom-alpha-HCH D6 1000 ?g/mL in Cyclohexane
环氧七氯A