mPEG24-NH2 Product Catalog # Size Price (USD) Quantity mPEG24-NH2281213-250MG250 mg$526.00 - mPEG24-NH2-250mg quantity + mPEG24-NH2281213-1G1 g$1,202.00 - mPEG24-NH2-1g quantity + Add to cart Description CAS #: 32130-27-1 Molecular Formula: C49H101NO24 Molecular Weight: 1088.3