mPEG3-OH Product Catalog # Size Price (USD) Quantity mPEG3-OH281401-25G25 g$45.00 - mPEG3-OH-25g quantity + mPEG3-OH281401-100G100 g$75.00 - mPEG3-OH-100g quantity + Add to cart Description Synonym: Triethylene Glycol Monomethyl Ether CAS #: 112-35-6 Molecular Formula: C7H16O4 Molecular Weight: 164.2