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
m-Ethyltoluene 标准品
乳粉中霉菌和酵母计数质控样
5-Amino-N,N'-bis[2,3-bis(acetyloxy)propyl]-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide
4-Chloro-2-nitrobenzyl alcohol (无证书)
Oxybis(2-ethyl benzoate)
19860, Fly ash (low level in PCDDs, PCDFs) 标准品
Di-n-hexyl-phthalate -D4, Oekanal 标准品
灭虫威亚砜(甲硫威亚砜,灭梭威亚砜) BePure-23979
Benazeprilat
甲醇中乐果溶液标准物质