mPEG24-SH Product Catalog # Size Price (USD) Quantity mPEG24-SH281512-250MG250 mg$645.00 - mPEG24-SH-250mg quantity + mPEG24-SH281512-1G1 g$1,683.00 - mPEG24-SH-1g quantity + Add to cart Description Molecular Formula: C49H100O24S Molecular Weight: 1105.4