mPEG16-Hydrazide Product Catalog # Size Price (USD) Quantity mPEG16-Hydrazide283807-250MG250 mg$495.00 - mPEG16-Hydrazide-250mg quantity + mPEG16-Hydrazide283807-1G1 g$1,015.00 - mPEG16-Hydrazide-1g quantity + Add to cart Description Molecular Formula: C36H74N2O18 Molecular Weight: 823.0