N3-CH2CH2-PEG3-SH Product Catalog # Size Price (USD) Quantity N3-CH2CH2-PEG3-SH285201-500MG500 mg$385.00 - N3-CH2CH2-PEG3-SH-500mg quantity + N3-CH2CH2-PEG3-SH285201-1G1 g$592.00 - N3-CH2CH2-PEG3-SH-1g quantity + Add to cart Description CAS #: 1347750-79-1 Molecular Formula: C8H17N3O3S Molecular Weight: 235.0