NHS-PEG8-NHS Product Catalog # Size Price (USD) Quantity NHS-PEG8-NHS281907-1G1 g$650.00 - NHS-PEG8-NHS-1g quantity + NHS-PEG8-NHS281907-5G5 g$1,897.00 - NHS-PEG8-NHS-5g quantity + Add to cart Description Synonym: α, ω-Disuccinimidyl octaethylene glycol CAS #: 1008402-79-6 Molecular Formula: C30H48N2O17 Molecular Weight: 708.7