储存温度：室温；分子式：C20H24N2O2；分子量：324.42；别名：Chinine; 6'-Methoxycinchonidine；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：cinchona alkaloid；Occurrence：Cinchona sp.；

储存温度：室温；分子式：C50H80O28；分子量：1129.17；；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；Special Notes：Because of its hygroscopicity this substance has been prepacked and is available in 10 mg portions only. Orders of larger quantities will be delivered as the corresponding number of 10 mg portions (e.g. an order of 50 mg will be delivered as 5 x 10 mg).；运输条件：ambient conditions；Commodity description：natural glycoside；Occurrence：Stevia sp.；

储存温度：-20℃；分子式：C36H30O16；分子量：718.63；别名：Danfensuan B; Dan Shen Suan B; Lithospermic acid B；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：in styrofoam box together with -20℃ gel packs；Commodity description：oxygen-heterocyclic compound；Occurrence：Anchusa sp. Heliotropium sp. Lithospermum sp. Lycopus sp. Salvia sp.；

储存温度：室温；分子式：C33H24O10；分子量：580.55；别名：4',4''',7-Trimethylamentoflavone；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Cephalotaxus sp. Ginkgo sp. Sciadopitys sp. Taxus sp.；

储存温度：室温；分子式：C17H21NO5 × HBr；分子量：400.26；别名：Hyoscine N-oxide hydrobromide；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；Special Notes：The counterion is determined quantitatively and treated as an impurity in the calculation of the absolute purity. The assigned absolute purity on the certificate of analysis therefore refers to the pure scopolamine N-oxide.；运输条件：ambient conditions；Commodity description：natural alkaloid；Occurrence：Atropa sp. Datura sp.；

储存温度：室温；分子式：C15H10O6；分子量：286.24；别名：6-Hydroxyapigenin; 4',5,6,7-Tetrahydroxyflavone；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Citrus sp. Oroxylum sp. Plantago sp. Scutellaria sp.；

储存温度：4℃；分子式：C42H38O20；分子量：862.75；；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：natural glycoside；Occurrence：Cassia sp.；

储存温度：室温；分子式：C20H18O7；分子量：370.36；；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Sesamum sp.；

储存温度：-20℃；分子式：C48H28O30；分子量：1084.73；；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；Special Notes：The substance is a mixture of Punicalagin A and Punicalagin B.；运输条件：in styrofoam box together with -20℃ gel packs；Commodity description：natural glycoside；Occurrence：Punica sp. Terminalia sp.；

储存温度：室温；分子式：C33H40O21；分子量：772.67；别名：Quercetin 3-rhamnoglucoside 7-glucoside; 3,3',4',5,7-Pentahydroxyflavone 3-rutinoside 7-glucoside；Certification：This substance is supplied with certified chromatographic purity.；Special Notes：This substance is prepacked and available in 10 mg portions only. Orders of larger quantities will be delivered as the corresponding number of 10 mg portions (e.g. an order of 50 mg will be delivered as 5 x 10 mg).；运输条件：ambient conditions；Commodity description：natural glycoside；Occurrence：Citrus sp. Ranunculus sp. Vinca sp. Withania sp.；