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Merck

HPLC Analysis of Caffeine Metabolites and Analogs on Discovery® C18

HPLC Analysis of Caffeine Metabolites and Analogs on Discovery® C18 application for HPLC

材料

分析柱

产品编号
说明
价格

Discovery® C18 高效液相色谱柱

5 μm particle size, L × I.D. 15 cm × 4.6 mm

標準

产品编号
说明
价格

1,7-二甲基黄嘌呤

~98%, solid

8-Cyclopentyl-1,3-dimethylxanthine

≥98% (HPLC), powder

1-甲基黄嘌呤

≥97.0% (HPLC)

7-甲基黄嘌呤

≥98.0% (HPLC)

3-甲基黄嘌呤

98%

CONDITIONS

column

Discovery C18, 15 cm x 4.6 mm I.D., 5 μm particles (504955)

mobile phase

[A] 1% acetic acid in water; [B] methanol; (92:8, A:B)

flow rate

1.0 mL/min

column temp.

35 °C

detector

UV, 254 nm

说明

法律資訊

Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany