mPEG11-SH Product Catalog # Size Price (USD) Quantity mPEG11-SH281509-1G1 g$859.00 - mPEG11-SH-1g quantity + mPEG11-SH281509-5G5 g$2,029.00 - mPEG11-SH-5g quantity + Add to cart Description Molecular Formula: C23H48O11S Molecular Weight: 532.7