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Key Documents

G005723

LC/MS Analysis of Polypeptide Drugs on Ascentis® Express RP-Amide

application for HPLC

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About This Item

technique(s)

HPLC: suitable

test parameters

column: Ascentis Express RP-Amide, 10 cm x 2.1 mm I.D., 2.7 μm particles (53913-U)
mobile phase: [A] 10 mM ammonium acetate in water, pH 4.2; [B] 10 mM ammonium acetate in 90:10 (v/v) acetonitrile:water, pH 4.7
gradient: held at 20% B for 0.1 min; 20 to 80% B in 2.9 min; 80 to 20% B in 0.01 min; held at 20% B for 0.99 min
flow rate: 0.3 mL/min
column temp.: 35 °C
detector: TOF, ESI(+), m/z 100-2500
injection: 3 μL
sample: 1 μL/mL in 10mM ammonium formate, 80:20, acetonitrile:water

suitability

application for HPLC

application(s)

life science and biopharma

Analysis Note

This application demonstrates the suitability of the Ascentis Express RP Amide for the analysis of polypeptide drugs.

Legal Information

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

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Description

    Oxytocin
    [deamino-Cys1, D-Arg8]-Vasopressin acetate salt hydrate

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