mPEG12-SH Product Catalog # Size Price (USD) Quantity mPEG12-SH281510-1G1 g$897.00 - mPEG12-SH-1g quantity + mPEG12-SH281510-5G5 g$2,150.00 - mPEG12-SH-5g quantity + Add to cart Description Molecular Formula: C25H52O12S Molecular Weight: 576.7