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Propargyl-PEG4-tos

CAS No. CAS No.: 875770-32-4
Cat No. Cat No.: BPG-2065
Purity Purity: >98.0%
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Propargyl-PEG4-Tos is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Propargyl-PEG4-Tos is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Category Small-molecule Heterobifunctional PEG
Molecular Formula C18H26O7S
Molecular Weight 386.46
Appearance Solid
Shipping Room temperature
Storage Store at -20 °C, keep in dry and avoid sunlight.
Propargyl-PEG4-tos

Structure of 875770-32-4

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  • Specification
  • Key Product Attributes
  • Reaction & Conjugation Properties
Synonyms Propargyl-PEG5-Tos; 3,6,9,12-Tetraoxapentadec-14-yn-1-yl 4-methylbenzenesulfonate
IUPACName 2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate
CanonicalSMILES CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCOCC#C
InChI InChI=1S/C18H26O7S/c1-3-8-21-9-10-22-11-12-23-13-14-24-15-16-25-26(19,20)18-6-4-17(2)5-7-18/h1,4-7H,8-16H2,2H3
InChIKey VUJIUZITHCTEAF-UHFFFAOYSA-N
BoilingPoint 498.1±45.0 °C at 760 mmHg
FlashPoint 255.0±28.7 °C
Purity >98.0%
Density 1.2±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±1.2 mmHg at 25°C
LogP 0.78
PEGType Discrete PEG Linker
PEGArchitecture Linear
Functionality Heterobifunctional
ReactiveToward Azides; Nucleophiles (Amines / Thiols)
ReactionChemistry CuAAC Click Chemistry; Nucleophilic Substitution
BiomoleculeCompatibility Click-Handle-Modified Proteins / Peptides; Click-Handle-Modified Antibodies; Click-Handle-Modified Oligonucleotides; Small Molecules / Probes; Amine- or Thiol-Functionalized Biomolecules
ResearchUse Copper-Catalyzed Azide–Alkyne Ligation; Nucleophilic Linker Substitution

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