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CS-W001157 4
Total: USD 88.00

Mal-​PEG4-​NHS ester

  • CAS No. 1325208-25-0

  • Cat. No. CS-0105021
  • Molecule weight442.42
  • Purity≥97%
  • MDL No.MFCD20230464

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

Mal-​PEG4-​NHS ester|CS-0105021

Structure of 1325208-25-0

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General Information

  • CAS No. 1325208-25-0
  • Cat. No. CS-0105021
  • Purity ≥97%
  • MDL No. MFCD20230464
  • Storage -20°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₉H₂₆N₂O₁₀
  • Molecular Weight 442.42
  • Synonym(s) None
  • SMILES O=C(ON1C(CCC1=O)=O)CCOCCOCCOCCOCCN2C(C=CC2=O)=O

Description

Mal-PEG4-NHS ester is a bifunctional crosslinker featuring a maleimide group for selective thiol conjugation and a PEG4 spacer that enhances solubility and reduces steric hindrance. The NHS ester enables efficient amine coupling under physiological conditions, facilitating site-specific bioconjugation in protein labeling, antibody-drug conjugate synthesis, and polymer functionalization 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-P280-P302+P352

Quality Control

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Computational Chemistry Data

  • TPSA   137.98
  • LogP   -1.0249
  • H_Acceptors   10
  • H_Donors   0
  • Rotatable_Bonds   16

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