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
toluene solution, 4°C
Amberlyst? 15, (wet) ion-exchange resin 25GR
无水碳酸钠, extra pure, 99.95% 500GR
Trimethyl orthoacetate, 98% 500ML
Isonipecotic acid, 97+%
单氯乙酸酐, 97%
2,3-Difluoro-6-hydroxybenzaldehyde, 97%
PH指示剂pH 0 - 5
DMT-dG(dmf) Amidite 2g, AB, 12 Pack
溴乙腈,97%
直接黄44