Boc-NH-PEG7-CH2CH2COOH Product Catalog # Size Price (USD) Quantity Boc-NH-PEG7-CH2CH2COOH280205-1G1 g$513.00 - Boc-NH-PEG7-CH2CH2COOH-1g quantity + Boc-NH-PEG7-CH2CH2COOH280205-5G5 g$1,436.00 - Boc-NH-PEG7-CH2CH2COOH-5g quantity + Add to cart Description CAS #: 2055044-68-1 Molecular Formula: C22H43NO11 Molecular Weight: 497.7