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
2,7-二溴-9,9-双十二烷基芴
Selenium 1,000 mg/L in 2% HNO3, 50 mL (Se Metal)
Graduated beaker, PP, moulded scale, round base, 100 ml
FILTER FUNNELS, 500 ML, P1 DISC DIA.: 90 MM STEM O.DIA.: 22 MM
乙腈中4-羟基百菌清溶液
1-乙基萘
交换样品架座
糖化血红蛋白成分标准物质(高)
四水合醋酸铥,99.9%
PUNYW9231291 Levocetirizine Impurity 4