Basic information Safety Supplier Related

5,8,11,14-Tetraoxa-2-azahexadecanedioic acid

Basic information Safety Supplier Related

5,8,11,14-Tetraoxa-2-azahexadecanedioic acid Basic information

Product Name:
5,8,11,14-Tetraoxa-2-azahexadecanedioic acid
Synonyms:
  • 1-Hydroxy-1-oxo-5,8,11,14-tetraoxa-2-azahexadecan-16-oic acid
  • Fmoc-NH-PEG5-CH2CO2H
  • 5,8,11,14-Tetraoxa-2-azahexadecanedioic acid
  • FMoc-NH-PEG4-CH2COOH
  • 5,8,11,14-Tetraoxa-2-azahexadecanedioic acid 1-(9H-fluoren-9-ylmethyl) ester
  • Fmoc-NH-PEG4-CH2CO2H
  • Fmoc-PEG4- CH2COOH
  • 1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16-pentaoxa-4-azaoctadecan-18-oic acid
CAS:
437655-95-3
MF:
C25H31NO8
MW:
473.52
Product Categories:
  • peg
Mol File:
437655-95-3.mol
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5,8,11,14-Tetraoxa-2-azahexadecanedioic acid Chemical Properties

Melting point:
51℃
Boiling point:
681.3±55.0 °C(Predicted)
Density 
1.235±0.06 g/cm3(Predicted)
storage temp. 
2-8°C
form 
Oil
pka
3.39±0.10(Predicted)
color 
Colorless to light yellow
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Safety Information

HS Code 
2942000090
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5,8,11,14-Tetraoxa-2-azahexadecanedioic acid Usage And Synthesis

Description

Fmoc-NH-PEG4-CH2COOH is a PEG linker 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 react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.

Biological Activity

Fmoc-NH-PEG4-CH2COOH is a degradable ADC linker for antibody drug conjugate (ADC) synthesis. It is also a PEG-based PROTAC linker, which can be used for PROTAC synthesis.

in vitro

ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker.
PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

target

Cleavable

Alkyl/ether

PEGs

5,8,11,14-Tetraoxa-2-azahexadecanedioic acidSupplier

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