mPEG36-Propyne Product Catalog # Size Price (USD) Quantity mPEG36-Propyne283908-250MG250 mg$582.00 - mPEG36-Propyne-250mg quantity + mPEG36-Propyne283908-1G1 g$1,250.00 - mPEG36-Propyne-1g quantity + Add to cart Description Synonym: mPEG36-CH2C≡CH Molecular Formula: C76H150O37 Molecular Weight: 1656.0