H2N-PEG4-CH2CH2NH2-1g$309.00 H2N-PEG4-CH2CH2NH2 Product Catalog # Size Price (USD) Quantity H2N-PEG4-CH2CH2NH2-1g 281705-1G 1 g $309.00 - H2N-PEG4-CH2CH2NH2-1g quantity + For more size options, please click: H2N-PEG4-CH2CH2NH2 Add to cart Additional information Additional information Weight 0.001 kg Size 1 g For Research & Development use only. Not for testing and/or use on humans.