Azido-PEG4-PFP ester

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Azido-PEG4-PFP ester

Azido-PEG4-PFP ester | CAS 1353012-00-6

Catalog Number R14-0297
Category Azides
Molecular Formula C17H20F5N3O6
Molecular Weight 457.4
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Product Introduction

Azido-PEG4-PFP ester is a PEG-containing bioorthogonal conjugation building block that provides an azide handle for modular click-chemistry workflows. The molecule can be used to introduce a click-reactive group onto an antibody, peptide, linker intermediate, or payload-containing component, depending on the chemistry of its second terminal functionality. Its additional reactive group is pfp ester (amine-reactive) for antibody lysines/primary amines. The structure includes peg4 spacer to provide hydrophilic spacing. Conjugation can be performed using spaac with dbco/bcn-functionalized partner or cuaac with terminal alkyne partner, depending the complementary handle. The sequence and orientation of the coupling steps should be selected according to the functional groups carried by the two conjugation partners.

  • Chemical Information

  • Product Specification

  • Application

  • Computed Properties

  • Patents

Chemical Information

Synonyms perfluorophenyl 1-azido-3,6,9,12-tetraoxapentadecan-15-oate
Purity ≥98%
IUPAC Name (2,3,4,5,6-pentafluorophenyl) 3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoate
SMILES C(COCCOCCOCCOCCN=[N+]=[N-])C(=O)OC1=C(C(=C(C(=C1F)F)F)F)F
InChI InChI=1S/C17H20F5N3O6/c18-12-13(19)15(21)17(16(22)14(12)20)31-11(26)1-3-27-5-7-29-9-10-30-8-6-28-4-2-24-25-23/h1-10H2
InChIKey QSIFGTAWLLFXPY-UHFFFAOYSA-N
Solubility DMSO, DCM, DMF
Appearance Soild powder

Product Specification

Storage -20 °C

Application

Computed Properties

XLogP3 2.4
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 13
Rotatable Bond Count 17
Exact Mass 457.12722618 g/mol
Monoisotopic Mass 457.12722618 g/mol
Topological Polar Surface Area 77.6Ų
Heavy Atom Count 31
Formal Charge 0
Complexity 544
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

Patents

Publication Number Title Priority Date
WO-2022150726-A1 Hypoimmunogenic biotherapeutics 2021-01-11
WO-2022150721-A1 Bifunctional folate receptor binding compounds 2021-01-08
EP-4087584-A2 Cell surface receptor binding compounds and conjugates 2020-01-10
JP-2018127496-A XTEN conjugate composition and method for producing the same 2012-02-27
JP-2018130123-A XTEN conjugate composition and method for producing the same 2012-02-27

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