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
2.2'.3.4.5'-Pentachlorobiphenyl (无证书)
噻苯达唑-d4溶液, 100ppm, 0.5ml/支
1H,1H,2H,2H-Perfluoro-9-methyldecan-1-ol
邻甲苯甲醛-DNPH
Montelukast S-Enantiomer Sodium Salt 标准品
Isoprocarb
Sulfanilic Acid
1% Lanthanum in 2% HCl(有证书)
First Standard® 甲醇中磺胺甲基嘧啶-13C6溶液,100μg/mL
2-Oxopiperazine-3,3,5,5,6,6-d6 标准品