H2N-PEG12-CH2CH2COOH-500mg$610.00 H2N-PEG12-CH2CH2COOH Product Catalog # Size Price (USD) Quantity H2N-PEG12-CH2CH2COOH-500mg 282507-500MG 500 mg $610.00 - H2N-PEG12-CH2CH2COOH-500mg quantity + For more size options, please click: H2N-PEG12-CH2CH2COOH Add to cart Additional information Additional information Weight 0.0005 kg Size 500 mg