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
尿素纯度标准物质
SCHISANDRA BERRY XRM 标准品
1-Fluoro-3-hydroxychrysene
法罗培南S 异构体(非对映异构体)
Ethylhexadecyldimethyl ammonium bromide
Methyl (2,4,6-trichlorophenoxy) methyl ether(有证书)
2-Diethylamino-6-methyl pyrimidin-4-ol
甲醇中三氯生
First Standard® 甲醇中6种磺胺类药物混标溶液,100μg/mL(GB/T20759-2006)
First Standard® 芬苯达唑