mPEG5-SH Product Catalog # Size Price (USD) Quantity mPEG5-SH281503-1G1 g$386.00 - mPEG5-SH-1g quantity + mPEG5-SH281503-5G5 g$885.00 - mPEG5-SH-5g quantity + Add to cart Description Synonym: 2,5,8,11,14-Pentaoxahexadecane-16-thiol CAS #: 524030-00-0 Molecular Formula: C11H24O5S Molecular Weight: 268.4