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CS-W001157 4
Total: USD 88.00

m-PEG13-acid

  • CAS No. 2170098-33-4

  • Cat. No. CS-0254321
  • Purity≥95%
  • MDL No.MFCD28385486

*For research and further manufacturing use only, not for direct human use.

m-PEG13-acid|CS-0254321

Structure of 2170098-33-4

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General Information

  • CAS No. 2170098-33-4
  • Cat. No. CS-0254321
  • Purity ≥95%
  • MDL No. MFCD28385486
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₂₈H₅₆O₁₅
  • Molecular Weight 632.74
  • Synonym(s) None
  • SMILES O=C(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOC)O

Description

m-PEG13-acid features a linear, hydrophilic polyethylene glycol chain with a terminal carboxylic acid group. This structure enables efficient conjugation to amine-functionalized biomolecules under mild conditions, offering enhanced solubility and stability in aqueous environments. The well-defined PEG length provides controlled steric shielding, ideal for bioconjugation applications requiring extended circulation time and reduced immunogenicity.

Application

m-PEG13-acid serves as a versatile, bench-stable linker for conjugation chemistries, enabling efficient attachment of bioactive molecules to proteins, peptides, or surfaces via amine-reactive coupling. Its 13-ethylene glycol units provide enhanced solubility and reduced non-specific binding, while the terminal carboxylic acid facilitates straightforward activation with common reagents like EDC/NHS. Ideal for drug delivery systems and diagnostic probes, it combines excellent functional group tolerance with reliable purification profiles in standard synthetic workflows.

Safety Information

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GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362-P405-P501

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Computational Chemistry Data

  • TPSA   157.29
  • LogP   0.3067
  • H_Acceptors   14
  • H_Donors   1
  • Rotatable_Bonds   39

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