mPEG36-NH2 Product Catalog # Size Price (USD) Quantity mPEG36-NH2281214-250MG250 mg$576.00 - mPEG36-NH2-250mg quantity + mPEG36-NH2281214-1G1 g$1,327.00 - mPEG36-NH2-1g quantity + Add to cart Description Molecular Formula: C73H149NO36 Molecular Weight: 1616.95