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
DL-Threonine
ANGELICIN(RG) 标准品
苄嘧磺隆溶液,1000ppm
54041, URBAN DUST (TRIMETHYLLEAD) 标准品
Mercuric iodide
n-Hexadecyl-2,2,3,3...16,16,16-d31 Alcohol 标准品
四螨嗪
Spiroxamine Solution 100ug/ml in Toluene
CCME Surrogate Standard #2 标准品
Propoxyphene Napsylate C I I
Cadmium Nitrate (Cd(NO3)2) 99.999%