H2N-PEG23-CH2CH2NH2-250mg$445.00 H2N-PEG23-CH2CH2NH2 Product Catalog # Size Price (USD) Quantity H2N-PEG23-CH2CH2NH2-250mg 281711-250MG 250 mg $445.00 - H2N-PEG23-CH2CH2NH2-250mg quantity + For more size options, please click: H2N-PEG23-CH2CH2NH2 Add to cart Additional information Additional information Weight 0.00025 kg Size 250 mg