Mal-PEG12-NHS-500mg$698.00 Mal-PEG12-NHS Product Catalog # Size Price (USD) Quantity Mal-PEG12-NHS-500mg 282806-500MG 500 mg $698.00 - Mal-PEG12-NHS-500mg quantity + For more size options, please click: Mal-PEG12-NHS Add to cart Additional information Additional information Weight 0.0005 kg Size 500 mg For Research & Development use only. Not for testing and/or use on humans.