Propargyl-PEG4-thiol

Name: Propargyl-PEG4-thiol
Brand: BOC Sciences
Rating: 5 (1 reviews)

CAS No.: 1347750-80-4

Cat No.: BPG-1829

Purity: >98.0%

4.5

Propargyl-PEG4-thiol is an alkyne-functionalized ADC linker with a terminal thiol for maleimide or disulfide chemistry. It enables flexible bioconjugation in antibody-drug conjugates, offering enhanced solubility, spacer length, and reduced steric hindrance.

Category	Small-molecule Heterobifunctional PEG
Molecular Formula	C11H20O4S
Molecular Weight	248.34
Appearance	Colorless Liquid
Shipping	Room temperature
Storage	Store at -20 °C, keep in dry and avoid sunlight.

hot In stock

Ordering Information

*For research and manufacturing use only. We do not sell to patients.

Fast-Track Access to Precise Molecular Weight Products

Professional Solutions for Molecular Research

cGMP Capacity

cGMP-compliant manufacturing options
Comprehensive QC testing with COA, MSD
From mg and g to kg-scale production
In-stock supply in the US and Europe
Global supply & fast worldwide delivery
One-stop PEGylation services
Custom PEG reagents synthesis
Click chemistry reagents
Bioconjugation & drug delivery
Trusted by 100+ research institutions

Popular Publications Citing BOC Sciences Products

Specification

Synonyms	Alkyne-PEG4-thiol;Propyne-PEG4-SH; 3,6,9,12-Tetraoxapentadec-14-yne-1-thiol
IUPACName	2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethanethiol
CanonicalSMILES	C#CCOCCOCCOCCOCCS
InChI	InChI=1S/C11H20O4S/c1-2-3-12-4-5-13-6-7-14-8-9-15-10-11-16/h1,16H,3-11H2
InChIKey	QFVYBCQBSOIWFU-UHFFFAOYSA-N
BoilingPoint	332.9±37.0 °C at 760 mmHg
FlashPoint	155.1±26.5 °C
Purity	>98.0%
Density	1.1±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±0.7 mmHg at 25°C
LogP	0.09