mPEG12-NHS-1g$879.00 mPEG12-NHS Product Catalog # Size Price (USD) Quantity mPEG12-NHS-1g 281310-1G 1 g $879.00 - mPEG12-NHS-1g quantity + For more size options, please click: mPEG12-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.