EDQM标准物质是经过专门筛选的，并由欧洲药典委员会对检验后的标准物质进行确认。根据标准物质的用途（如鉴别、纯度检查、含量测定），可能会作为国际协作研究的项目。根据ISO导则34基本原则建立与分发标准物质。这些标准物质可在鉴别试验、有关物质检查、含量测定等药物分析中用作对照品，也可用于仪器的校正。
EDQM被指定为WHO抗生素国际标准品的协作标定中心
C1905020 Chlorpropamide impurity B 50 mg
C1915000 Chlorprothixene hydrochloride 50 mg
C1950000 Chlortalidone 150 mg
Y0000779 Chlortalidone for peak identification 1 mg
C2000000 Chlortetracycline hydrochloride 100 mg
C2100000 Cholecalciferol 500 mg
C2150000 Cholecalciferol for performance test 1 ml
C2155000 Cholesterol 60 mg
C2158000 Cholic acid 60 mg
Y0000280 Chondroitin sulphate sodium 250 mg
Y0000593 Chondroitin sulphate sodium (marine) 100 mg
C2160000 Chymotrypsin BRP 100 mg
Y0000639 Cladribine 50 mg
Y0000609 Cladribine for peak identification 10 mg
Y0000610 Cladribine impurity C 5 mg
Y0000040 Ciclopirox 100 mg
C2162701 Ciclopirox impurity A 20 mg
C2162702 Ciclopirox impurity B 20 mg
C2162700 Ciclopirox olamine 150 mg
C2163000 Ciclosporin 120 mg
Y0000361 Ciclosporin for system suitability 5 mg
C2170000 Cilastatin sodium 10 mg
C2174000 Cilazapril 50 mg
C2174002 Cilazapril impurity A 25 mg
C2174005 Cilazapril impurity D 10 mg
C2175000 Cimetidine 50 mg
C2175500 Cimetidine hydrochloride 100 mg
C2177000 Cinchocaine hydrochloride 60 mg
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