• 一级标准物质
  • 标准样品
  • 质控品
  • 计量院标准物质
  • 环保部标准物质
  • 农残标准物质
  • 铁标准物质
  • 冶金标样
  • 土壤标准物质
  • 中检院标准物质
  • N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulphonamide

    1691-99-2 5g

  • 9-Ethyl-6,11-dihydro-8-hydroxy-6,6-dimethyl-11-oxo-5H-benzo[b]carbazole-3-carbonitrile

    1256584-52-7 2.5mg

  • Ethyl 2,4-dimethylbenzoate

    33499-42-2 250mg

  • Ethyl 3,5-dimethyl-1h-4-pyrazolecarboxylate

    35691-93-1 250mg

  • 4-Ethyl-1,3-dihydro-2H-indol-2-one

    954117-24-9 100mg

  • (S)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid

    122645-11-8 25mg

  • Ethyl 2-(2,4-Difluorophenyl)thiazole-4-carboxylate

    175276-93-4 50mg

  • Ethyl-7,8-difluoro-4-hydroxy-quinoline-3-carboxylate

    228728-81-2 50mg

  • Ethyl 5,6-Difluoro-1H-indazole-3-carboxylate

    885279-04-9 50mg

  • Ethyl 3,3-difluorobicyclo[3.1.0]hexane-6-carboxylate

    1823348-86-2 5mg

  • 上一页
  • 3499
  • 3500
  • 3501
  • 下一页
  • 电话咨询

标准对照品资源信息网

全国统一客服热线:0376-3269266