NHS-PEG12-NHS Product Catalog # Size Price (USD) Quantity NHS-PEG12-NHS281906-1G1 g$685.00 - NHS-PEG12-NHS-1g quantity + NHS-PEG12-NHS281906-5G5 g$1,945.00 - NHS-PEG12-NHS-5g quantity + Add to cart Description Synonym: α, ω-Disuccinimidyl dodecaethylene glycol Molecular Formula: C38H64N2O21 Molecular Weight: 884.9