Propargyl-PEG4-thiol

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

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

Category	Small-molecule Heterobifunctional PEG
Catalog NO.	BPG-1829
Product Name	Propargyl-PEG4-thiol
CAS	1347750-80-4
Molecular Formula	C11H20O4S
Molecular Weight	248.34

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Product Information

Description	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.
Synonyms	Alkyne-PEG4-thiol;Propyne-PEG4-SH; 3,6,9,12-Tetraoxapentadec-14-yne-1-thiol
IUPAC Name	2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethanethiol
SMILES	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
Boiling Point	332.9±37.0 °C at 760 mmHg
Flash Point	155.1±26.5 °C
Purity	>98.0%
Density	1.1±0.1 g/cm3
Solubility	10 mm in DMSO
Appearance	Colorless Liquid
Shelf Life	0-4°C for short term (days to weeks), or -20°C for long term (months).
Storage	Store at -20 °C, keep in dry and avoid sunlight.
Vapor Pressure	0.0±0.7 mmHg at 25°C
LogP	0.09

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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.