mPEG3-N3 Product Catalog # Size Price (USD) Quantity mPEG3-N3281101-500MG500 mg$397.00 - mPEG3-N3-500mg quantity + mPEG3-N3281101-1G1 g$580.00 - mPEG3-N3-1g quantity + Add to cart Description Molecular Formula: C7H15N3O3 Molecular Weight: 189.2