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
1,2,7-Trimethylphenanthrene
3-Octanone
Sodium di(2-ethylhexyl)phosphate
APPLE (dietary fibre) 标准品
2-Methyl-2-propene-1-ol (无证书)
恶二唑虫
A0303382 L-亮氨酸
N-Phenyl-N'-cyclohexyl-p-phenylenediamine (无证书)
2-Methyltetrahydrothiophene
甲醇中甲硝唑溶液标准物质 农科院质标所