Quick view Compare Add to Cart The item has been added JKA0002-1G Y-PEG40K-MAL MSRP: Price: $1,258.29 List Price: $1,398.10 Y-shape Maleimide PEG. Thiol reactive PEG reacts at pH 5. Hide Expand SKUJKA0002-1G MFR. NameSigma-Aldrich Catalog No. C15-1468-828 Pack Size 1 GR Price: MSRP: Price: $1,258.29 List Price: $1,398.10 Quantity: Decrease Quantity of undefined Increase Quantity of undefined Add to Cart The item has been added Close × Product Information Catalog No. C15-1468-828 Description Y-shape Maleimide PEG. Thiol reactive PEG reacts at pH 5.