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mPEG-Vinylsulfone, MW 10k

mPEG-Vinylsulfone, MW 10k

Catalog No: PSB-2225
Product Name: mPEG-Vinylsulfone, MW 10k
In Stock: Yes
SKUProduct Name
mPEG-Vinylsulfone, MW 10k - 1g
mPEG-Vinylsulfone, MW 10k - 10g
mPEG-Vinylsulfone, MW 10k - 5g
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mPEG-Vinylsulfone is a linear monofunctional PEG reagent with a thiol reactive vinylsulfone group. Vinylsulfone (VS) selectively reacts with free thiol, SH for site specific PEGylation of peptide and proteins.


Molecular weight: MW of PEG was measured by MALDI-MS or GPC. PDI (polydispersity index) of our linear PEG is 1.02-1.05 with very narrow MW distribution. The number of repeating ethylene oxide units (CH2CH2O) or the degree of polymerization is calculated dividing the PEG MW by 44 (44 is the molecular mass of one repeating unit).

Solubility: Soluble in water and aqueous buffer, chloroform, methylene chloride, DMF, DMSO, and less soluble in alcohol, toluene. Not soluble in ether.

Density: PEG density is approximately 1.125 g/mL

Physical form: PEG products generally appear as white or off-white powder, and for very low MW linear PEG such as MW 1k or less, it may appear as wax-like, semi-solid material due to the low MW and the type of functional groups.

Storage condition: PEG product shall be stored in the original form as received in a freezer at -20C or lower for long term storage. Stock solution of PEG reagents that do not contain oxygen or moisture sensitive functional groups may be temporarily stored in a refrigerator or ambient temperature for multiple days. Stock solution should avoid repeated freeze-and-thaw cycles. See Documents section for detailed storage and handling conditions.


1. Enza Torino et al, PEGylated crosslinked hyaluronic acid nanoparticles designed through a microfluidic platform for nanomedicine, Future Medicine – Nanomedicine, 2017, DOI:  10.2217/nnm-2017-0103, Text

2.  PEGylated crosslinked hyaluronic acid nanoparticles designed through a microfluidic platform for nanomedicine, Nanomedicine,  2017, 12(18), doi:  0.2217/nnm-2017-0103Text.

3.  A Microfluidic Platform to design Multimodal PEG – crosslinked Hyaluronic Acid Nanoparticles (PEG-cHANPs) for diagnostic applications, Scientific Reports, volume 10, Article number: 6028 (2020), Text.

Click here  to view an expanded list of hundreds of publications citing Creative PEGWorks products.


 Technical Information_Linear PEG Products
 SDS of mPEG-Vinylsulfone

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