mPEG8-Hydrazide Product Catalog # Size Price (USD) Quantity mPEG8-Hydrazide283805-1G1 g$648.00 - mPEG8-Hydrazide-1g quantity + mPEG8-Hydrazide283805-5G5 g$2,091.00 - mPEG8-Hydrazide-5g quantity + Add to cart Description Molecular Formula: C20H42N2O10 Molecular Weight: 470.6