左氧氟沙星杂质A标准品
我公司备有中检所对照品和标准物质的大量库存(包括缺断货品种), 对中检所缺断货品种有较强的供应能力。,愿与全国各地的制药企业和科研人员精诚合作...
雷尼替丁盐酸盐标准品
N-[2-[[5-[Dimethylamino)methyl]furfuryl]thio]ethyl]-N'-methyl-2-nitrovinylidenediamine hydrochloride
氯雷他定标准品
Ethyl 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate
西替利嗪杂质标准品
(RS)-2-(4-((4-chlorophenyl)phenylmethyl)piperazin-1-yl)ethanol dihydrochloride
扑尔敏杂质标准品
(2RS)-2-(4-chlorophenyl)-4-dimethylamino-2-pyridin-2-ylbutyronitrile hydrochloride
阿托伐他汀相关化合物I
tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxan-4-yl)acetate