mPEG48-OH Product Catalog # Size Price (USD) Quantity mPEG48-OH281414-250MG250 mg$550.00 - mPEG48-OH-250mg quantity + mPEG48-OH281414-1G1 g$1,265.00 - mPEG48-OH-1g quantity + Add to cart Description Molecular Formula: C97H196O49 Molecular Weight: 2146.6