mPEG24-Hydrazide Product Catalog # Size Price (USD) Quantity mPEG24-Hydrazide283808-250MG250 mg$549.00 - mPEG24-Hydrazide-250mg quantity + mPEG24-Hydrazide283808-1G1 g$1,149.00 - mPEG24-Hydrazide-1g quantity + Add to cart Description Molecular Formula: C52H106N2O26 Molecular Weight: 1175.4