mPEG11-NHS-1g$728.00 mPEG11-NHS Product Catalog # Size Price (USD) Quantity mPEG11-NHS-1g 281306-1G 1 g $728.00 - mPEG11-NHS-1g quantity + For more size options, please click: mPEG11-NHS Add to cart Additional information Additional information Weight 0.001 kg Size 1 g For Research & Development use only. Not for testing and/or use on humans.