Catalog NO.: BPG-1184

* Please be kindly noted products are not for therapeutic use. We do not sell to patients.

Category Benzyl-PEGn-Acid
Product Name Benzyl-PEG4-acid
CAS 127457-64-1
Molecular Formula C16H24O6
  • Product Information
  • Documents
  • Reviews

Product Information

Description Benzyl-PEG4-acid is a PEG linker containing a benzyl protecting group and a carboxylic acid group. Benzyl is an alcohol protecting group and can be removed via hydrogenolysis. The carboxylic acid group can react with primary amine groups in the presence of activators such as EDC or HATU to form a stable amide bond.
Synonyms 1-Phenyl-2,5,8,11-tetraoxatetradecan-14-oic acid; 2,5,8,11-Tetraoxatetradecan-14-oic acid, 1-phenyl-; BnO-PEG3-CH2CH2COOH; BnO-(CH2CH2O)3-CH2CH2COOH; 14-Phenyl-4,7,10,13-tetraoxatetradecanoic acid
IUPAC Name 3-[2-[2-(2-phenylmethoxyethoxy)ethoxy]ethoxy]propanoic acid
Molecular Weight 312.36
Molecular Formula C16H24O6
InChI InChI=1S/C16H24O6/c17-16(18)6-7-19-8-9-20-10-11-21-12-13-22-14-15-4-2-1-3-5-15/h1-5H,6-14H2,(H,17,18)
Boiling Point 454.3±40.0°C at 760 mmHg
Purity ≥95%
Density 1.1±0.1 g/cm3
Solubility Soluble in DMSO
Appearance Pale Yellow Oily Matter
Storage Store at 2-8°C


If you have any suggestions or comments about mPEG-Br, please submit a review immediately.


Related Link

Why BOC Sciences?

  • Large Stock

    More than 2000+ products in inventory

  • Global Delivery

    Warehouses in multiple cities to ensure fast delivery

  • mg to kg

    Multi specification for academic research and industrial production

  • 24/7 Technical Support

    Strict process parameter control to ensure product quality




Our Feature

BOC Sciences supplies a unique variety of PEG derivatives and functional PEG polymers. Our products offer the most diverse collection of reactivity, ready-to-use functionality, and molecular weight options that you will not find anywhere else.

  • Our Feature icon1
  • Our Feature icon2
  • Our Feature icon3
  • Our Feature icon4
PEGylation of Peptides and Proteins

PEGylation of Peptides
and Proteins

Reduce the Immunogenicity of Peptide/Protein Drugs

Learn More



PEG linkers For Drug

Improved Circulation Half-Life

Learn More

Have Customer Reviewed On Us?


Chat With Us

Online Inquiry

Verification code

Copyright © 2023 BOC Sciences. All rights reserved.