Fmoc-NH-PEG20-CH2CH2COOH Product Catalog # Size Price (USD) Quantity Fmoc-NH-PEG20-CH2CH2COOH280120-250MG250 mg$425.00 - Fmoc-NH-PEG20-CH2CH2COOH-250mg quantity + Fmoc-NH-PEG20-CH2CH2COOH280120-1G1 g$900.00 - Fmoc-NH-PEG20-CH2CH2COOH-1g quantity + Add to cart Description Molecular Formula: C58H97NO24 Molecular Weight: 1192.4