TCO-PNB Ester (equatorial)
TCO-PNB Ester is an amine-reactive, cyclooctene-containing building block.
Catalogue number crb7108381 Molecular Weight 291.30 Chemical Composition C15H17NO5 Appearance White to slightly grey solid Solubility DMSO, DMF, DCM, THF, Chloroform Chemistry TFP Ester Purity >95% (HPLC) cas 1438415-89-4 Storage -20C Manufacturer Product Number 1192
TCO-PNB Ester is an amine-reactive building block used for the modification of amine-containing molecules in organic media. This product is supplied as a single equatorial (major, rel-(1S-2S-5E-pR)) diastereomer. This specially formulated crystalline provides easy handling and an extended shelf life. Note: TCO-PNB Ester is not recommended for the labelling of proteins in aqueous buffers due to a poor level of activation in the labelled proteins. TCO-PEG4-NHS Ester and TCO-PEG12-NHS Ester are better suited for protein and antibody labelling in aqueous buffers.