Holiday notice: We will be off for the Chinese Lunar New Year Holiday between Jan 25 and Feb 4. Responses may be delayed. Welch US and India operate normally.

4-ethoxycarbonyl-3-ethoxyphenylacetic Acid and Its Isomers Test Report on Ultisil XB-C18

Solution of main component

Column Welch Ultisil® XB-C18 4.6×250mm,5μm (P/N: 00201-31043)
Mobile Phase 0.1% phosphoric acid aqueous solution / 10% tetrahydrofuran in methanol solution = 55/45
Detector 215nm
Temperature 30℃
Flow Rate 1ml/min
Injection Volume 10ul