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Fmoc-NMe-PEG2-acid - 98%, high purity , CAS No.1807518-77-9
Basic Description Specifications & Purity ≥98% Storage Temp Store at -20°C Shipped In Ice chest + Ice pads Product Description
Fmoc-N-methyl-N-amido-PEG2-acid is a PEG derivative containing an Fmoc-protected amine and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further conjugations. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.
Names and Identifiers Canonical SMILES CN(CCOCCOCCOCCC(=O)O)C(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13 Isomeric SMILES CN(CCOCCOCCOCCC(=O)O)C(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13 PubChem CID 91809450 Molecular Weight 413.5
Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Solubility in DMSO, DCM, DMF Molecular Weight 457.500 g/mol XLogP3 2.300 Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 7 Rotatable Bond Count 15 Exact Mass 457.21 Da Monoisotopic Mass 457.21 Da Topological Polar Surface Area 94.500 Ų Heavy Atom Count 33 Formal Charge 0 Complexity 579.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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