Z-NH-PEG5-CH2COOH Product Catalog # Size Price (USD) Quantity Z-NH-PEG5-CH2COOH280303-1G1 g$433.00 - Z-NH-PEG5-CH2COOH-1g quantity + Z-NH-PEG5-CH2COOH280303-5G5 g$1,083.00 - Z-NH-PEG5-CH2COOH-5g quantity + Add to cart Description Synonym: Z-NH-5(ethylene glycol)-acetic acid CAS #: 1449390-66-2 Molecular Formula: C20H31NO9 Molecular Weight: 429.5