mPEG16-Propyne-250mg$387.00 mPEG16-Propyne Product Catalog # Size Price (USD) Quantity mPEG16-Propyne-250mg 283906-250MG 250 mg $387.00 - mPEG16-Propyne-250mg quantity + For more size options, please click: mPEG16-Propyne Add to cart Additional information Additional information Weight 0.00025 kg Size 250 mg