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Propargyl-PEG3-NHS ester

CAS No. CAS No.: 1428629-71-3
Cat No. Cat No.: BPG-1943
Purity Purity: >98.0%
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Propargyl-PEG3-NHS ester is an alkyne-functionalized ADC linker used for amine-reactive and click-compatible conjugation. Its PEG3 spacer enhances hydrophilicity and flexibility, making it suitable for targeted drug delivery and antibody conjugate development.

Category Small-molecule Heterobifunctional PEG
Molecular Formula C14H19NO7
Molecular Weight 313.30
Appearance Transparent Liquid
Shipping Room temperature, or blue ice upon request.
Storage Store at -20 °C, keep in dry and avoid sunlight.
Propargyl-PEG3-NHS ester

Structure of 1428629-71-3

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  • Specification
  • Application
Synonyms Alkyne-PEG3-NHS;2,5-Dioxopyrrolidin-1-yl 3-(2-(2-(prop-2-yn-1-yloxy)ethoxy)ethoxy)propanoate
IUPACName (2,5-dioxopyrrolidin-1-yl) 3-[2-(2-prop-2-ynoxyethoxy)ethoxy]propanoate
CanonicalSMILES C#CCOCCOCCOCCC(=O)ON1C(=O)CCC1=O
InChI InChI=1S/C14H19NO7/c1-2-6-19-8-10-21-11-9-20-7-5-14(18)22-15-12(16)3-4-13(15)17/h1H,3-11H2
InChIKey YDRPXORAOIYIGV-UHFFFAOYSA-N
BoilingPoint 427.2±55.0 °C at 760 mmHg
FlashPoint 212.1±31.5 °C
Purity >98.0%
Density 1.3±0.1 g/cm3
Solubility 10 mm in DMSO
ShelfLife 0-4°C for short term (days to weeks), or -20°C for long term (months).
VaporPressure 0.0±1.0 mmHg at 25°C
LogP -1.96

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