mPEG16-Propyne Product Catalog # Size Price (USD) Quantity mPEG16-Propyne283906-250MG250 mg$387.00 - mPEG16-Propyne-250mg quantity + mPEG16-Propyne283906-1G1 g$795.00 - mPEG16-Propyne-1g quantity + Add to cart Description Synonym: mPEG16-CH2C≡CH Molecular Formula: C36H70O17 Molecular Weight: 774.9