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PRODUCTS

PEG oligomers are processed further into a variety of derivatives. A high purity for intermediates and products is maintained, and our catalogue items usually have an overall purity exceeding 95%. In comparison to PEG products obtained from polydisperse material, the use of our compounds is therefore more consistent.

Chemical structure of PEG

Methoxy PEGs and PEG amines chemical structures

PEG is a versatile polymer that is used for numerous applications. The polymer is non-toxic and biocompatible, and is highly soluble in aqueous and organic solutions. Therefore it can serve as a solubilization agent, as spacer molecule and as protecting agent to avoid degradation. Furthermore, PEG coated surfaces have a minimal propensity to bind proteins and other biomolecules.

Please review our product pages to find compounds that serve your applications or contact us for specific needs.

Categories:

All Products

PEG
Polypure supplies high purity PEG oligomers in a variety of molecular weights.
mPEG
Methoxy-PEG or mPEG is a PEG chain having one functional group blocked with a methyl group.
PEG AMINE
The amino function is a highly appreciated functional group.
PEG ACID
The acid function is introduced as a propionic acid moiety, or as a diglycolic acid amide.
PEG THIOL/DISULFIDE
The thiol group is a strong nucleophile and is used in conjugation reactions.
SPECIAL REAGENTS
We provide reagents for affinity labeling (Biotins) and for conjugation chemistry (maleimides, thiols).

MPEG

Picture of mPEG formula

Methoxy-PEG or mPEG is a PEG chain having one functional group blocked with a methyl group. mPEG and mPEG derivatives are therefore useful for modification of compounds where cross-linking should be avoided. Polypure mPEG is free from the corresponding diol, and the derivatives are purified to the highest level of purity.

For more options, browse

MPEG Derivatives

Products

Catalog Number	Title	CAS Number	n	Molecular Weight
10111-0795	mPEG-7	4437-01-8	7	340.4
10111-1195	mPEG-11	114740-40-8	11	516.6
10111-1795	mPEG-17		17	780.9

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