NHS-PEG16-NHS-250mg$549.00 NHS-PEG16-NHS Product Catalog # Size Price (USD) Quantity NHS-PEG16-NHS-250mg 281908-250MG 250 mg $549.00 - NHS-PEG16-NHS-250mg quantity + For more size options, please click: NHS-PEG16-NHS Add to cart Additional information Additional information Weight 0.00025 kg Size 250 mg For Research & Development use only. Not for testing and/or use on humans.