Analysis Note

Color (visual): white to slight yellow to beigeAppearance of substance (visual): powderIdentity (IR): passes testEnantiomeric purity: ≥ 99.5 % (a/a)Purity (TLC(CMA1)): ≥ 95 %Purity (TLC(0110)): ≥ 95 %Assay (HPLC, area%): ≥ 95.0 % (a/a)Solubility (1 mmole in 2 ml DMF): clearly solubleAssay (acidimetric): ≥ 85.0 %Water (K. F.): ≤ 2.0 %Ethyl acetate (HS-GC): ≤ 0.5 ¬etate (IC): ≤ 0.1 %For TLC-Systems see our General Catalog

General description

A useful derivative for the synthesis of phosphotyrosine peptides [1-7]. Pyrophosphate formation has been noted in peptides containing adjacent Tyr(PO₃H₂) residues [4, 5]. An evaluation of the optimal coupling conditions for introduction of this residue has been made [6].

The product number for this product was previously 04-12-1125.

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Legal Information

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

Linkage

Replaces: 04-12-1125