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Thiol PEG (PEG-SH) linkers have reactive thiol moiety on one side of the linear peg chain.and with either a Methyl ether, Amine (NH2), Maleimide (Mal), Carboxylic Acid (COOH) group at the other end (such as mPEG-SH, SH-PEG-NH2, SH-PEG-COOH). The thiol functional group readily react with biomolecules with maleimide, halogen acetate, thiol, cysteine, and OPSS. It has also been widely used surface modification of gold, and silver, etc. Surface-grafted poly(ethylene glycol) (PEG) molecules are known to prevent protein adsorption to the surface.
AxisPharm offers a range of high purity PEG-SH reagents with different linker lengths.Different kinds of PEG Reagents may be available by custom synthesis.fast shipping.

Cat# Name Structure M.W. Purity Pricing
(2-pyridyldithio)-PEG-alcohol
AP10764(2-pyridyldithio)-PEG1187.28≥95% Pricing
AP11437(2-pyridyldithio)-PEG4-alcohol319.43≥95% Pricing
(2-pyridyldithio)-PEG-NHS ester
AP10769(2-pyridyldithio)-PEG4-NHS ester488.58≥95% Pricing
(2-pyridyldithio)-PEG-OMe
AP14179(2-pyridyldithio)-PEG3-OMe289.4≥95% Pricing
(2-pyridyldithio)-PEG-propargyl
AP11438(2-pyridyldithio)-PEG4-propargyl357.48≥95% Pricing
(2-pyridyldithio)-PEG-t-butyl ester
AP10768(2-pyridyldithio)-PEG2-t-butyl ester359.51≥95% Pricing
Ald-PEG-Thiol
AP15252Ald-PEG23-Thiol1293.56≥95% Pricing
Lipoamide-PEG-biotin
AP14030Lipoamide-PEG3-biotin634.9≥95% Pricing
Lipoamide-PEG-Mal
AP11416Lipoamide-PEG3-Mal559.74≥95% Pricing
AP11417Lipoamide-PEG11-Mal884.11≥95% Pricing
Lipoamide-PEG-NHS
AP11412alpha-lipoic acid-NHS303.39≥95% Pricing
Lipoamido-PEG-acid
AP13720DL-Thioctic acid206.3≥95% Pricing
AP11408Lipoamido-PEG4-acid453.61≥95% Pricing
AP11409Lipoamido-PEG8-acid629.82≥95% Pricing
AP11410Lipoamido-PEG12-acid806.03≥95% Pricing
AP11411Lipoamido-PEG24-acid1334.67≥95% Pricing
Lipoamido-PEG-alcohol
AP11413Lipoamido-PEG2-alcohol337.49≥95% Pricing
AP11414Lipoamido-PEG3-alcohol381.55≥95% Pricing
Lipoamido-PEG-azide
AP11415Lipoamido-PEG3-azide406.56≥95% Pricing
m-PEG-S-Acetyl
AP11391m-PEG3-S-Acetyl222.3≥95% Pricing
M-PEG-thiol
AP10188m-PEG3-thiol180.27≥95% Pricing
AP10189m-PEG4-thiol224.32≥95% Pricing
AP10740m-PEG5-thiol268.37≥95% Pricing
AP11389m-PEG6-thiol312.42≥95% Pricing
AP10190m-PEG7-thiol356.48≥95% Pricing
AP10191m-PEG8-thiol400.53≥95% Pricing
AP11390m-PEG12-Thiol576.74≥95% Pricing
Other (2-pyridyldithio)-PEG
AP10765(2-pyridyldithio)-PEG1-hydrazine245.32≥95% Pricing
AP10767(2-pyridyldithio)-PEG1-PNP352.39≥95% Pricing
AP108672,5-dioxopyrrolidin-1-yl 4-methyl-4-(pyridin-2-yldisulfaneyl)pentanoate354.45≥95% Pricing
AP10766(2-pyridyldithio)-PEG4-acid391.51≥95% Pricing
AP108614-methyl-4-(pyridin-2-yldisulfaneyl)pentanoic acid257.37≥95% Pricing
Other S-acetyl-PEG
AP14178t-Boc-Aminooxy-PEG3-S-Ac367.50≥95% Pricing
Propargyl-PEG-thiol
AP10285Propargyl-PEG3-thiol204.29≥95% Pricing
AP10286Propargyl-PEG4-thiol248.34≥95% Pricing
AP10287Propargyl-PEG6-thiol336.45≥95% Pricing
AP10288Propargyl-PEG8-thiol424.55≥95% Pricing
AP10289Propargyl-PEG12-thiol600.76≥95% Pricing
S-acetyl-PEG-Acid
AP11428S-acetyl-PEG3-acid280.34≥95% Pricing
S-acetyl-PEG-alcohol
AP11418S-acetyl-PEG3-alcohol208.27≥95% Pricing
AP11419S-acetyl-PEG4-alcohol252.33≥95% Pricing
AP11420S-acetyl-PEG8-alcohol428.54≥95% Pricing
AP11421S-acetyl-PEG12-alcohol604.75≥95% Pricing
AP11422S-acetyl-PEG16-alcohol780.96≥95% Pricing
AP11423S-acetyl-PEG20-alcohol957.17≥95% Pricing
S-Acetyl-PEG-azide
AP11594S-Acetyl-PEG3-azide277.34≥95% Pricing
S-acetyl-PEG-Propargyl
AP11429S-acetyl-PEG4-propargyl290.37≥95% Pricing
S-acetyl-PEG-t-butyl ester
AP11424S-acetyl-PEG2-t-butyl ester292.39≥95% Pricing
AP11425S-acetyl-PEG3-t-butyl ester336.44≥95% Pricing
AP11426S-acetyl-PEG4-t-butyl ester380.5≥95% Pricing
AP11427S-acetyl-PEG6-t-butyl ester468.6≥95% Pricing
SPDP-PEG-acid
AP10041SPDP acid215.30≥98% Pricing
AP13479SPDP-Gly-Pro-acid TEA salt369.5≥ 98% Pricing
AP14071SPDP-PEG3-acid418.52≥95% Pricing
AP10427SPDP-PEG4-acid462.58≥95% Pricing
AP10428SPDP-PEG5-acid506.63≥95% Pricing
AP13909SPDP-PEG6-acid550.7≥95% Pricing
AP10429SPDP-PEG7-acid594.74≥95% Pricing
AP10038SPDP-PEG8-acid638.79≥98% Pricing
AP10430SPDP-PEG9-acid682.84≥95% Pricing
AP11430SPDP-PEG12-acid815≥95% Pricing
AP11431SPDP-PEG24-acid1343.64≥95% Pricing
AP11432SPDP-PEG36-acid1872.27≥95% Pricing
SPDP-PEG-azide
AP13908SPDP-PEG11-azide768.00≥95% Pricing
SPDP-PEG-NHS-ester
AP10042SPDP acid NHS ester312.37≥98% Pricing
AP11950SPDP-C6-NHS ester425.52≥95% Pricing
AP11951SPDP-C6-Sulfo-NHS ester527.56≥95% Pricing
AP11433SPDP-PEG4-NHS ester559.65≥95% Pricing
AP11832SPDP-C6-Gly-Leu-NHS ester595.73≥95% Pricing
AP11434SPDP-PEG6-NHS ester647.76≥95% Pricing
AP11435SPDP-PEG8-NHS ester735.86≥95% Pricing
AP11436SPDP-PEG12-NHS ester912.07≥95% Pricing
AP13379SPDP-PEG-24-NHS ester1439.7≥95% Pricing
AP13380SPDP-PEG36-NHS ester1968.4≥92% Pricing
SPDP-PEG-t-Butyl ester
AP13910SPDP-PEG6-t-butyl ester606.8≥95% Pricing
AP10037SPDP-PEG8-tBu ester694.90≥98% Pricing
SPDP-PEG-TCO
AP10144SPDP-NH-PEG2-TCO497.67≥95% Pricing
t-Boc-Aminooxy-PEG-Thiol
AP12083t-Boc-Aminooxy-PEG3-thiol325.42≥95% Pricing
Thiol-PEG-acid
AP14036Thiol-PEG2-acid194.25≥95% Pricing
AP11403Thiol-PEG3-acid238.3≥95% Pricing
AP11404Thiol-PEG4-acid282.35≥95% Pricing
AP10992Thiol-PEG6-acid370.46≥95% Pricing
AP11405Thiol-PEG8-acid458.56≥95% Pricing
AP10556Thiol-(CH2)6-O-PEG8-acid558.72≥95% Pricing
AP11406Thiol-PEG12-acid634.78≥95% Pricing
Thiol-PEG-Alcohol
AP10228Thiol-PEG3-alcohol166.24≥95% Pricing
AP10229Thiol-PEG4-alcohol210.29≥95% Pricing
AP10230Thiol-PEG6-alcohol298.40≥95% Pricing
Thiol-PEG-Azide
AP12970Thiol-PEG1-Azide147.2≥95% Pricing
AP12971Thiol-PEG2-Azide191.25≥95% Pricing
AP10231Thiol-PEG3-Azide235.31≥95% Pricing
AP12972Thiol-PEG4-Azide279.36≥95% Pricing
AP10232Thiol-PEG5-Azide323.41≥95% Pricing
AP12973Thiol-PEG6-Azide367.46≥95% Pricing
AP12974Thiol-PEG7-Azide411.51≥95% Pricing
Thiol-PEG-phosphonic acid
AP11815Thiol-PEG3-phosphonic acid274.27≥95% Pricing
Thiol-PEG-phosphonic acid ethyl ester
AP11816Thiol-PEG3-phosphonic acid ethyl ester330.38≥95% Pricing
Thiol-PEG-t-butyl ester
AP11407Thiol-PEG3-t-butyl ester294.41≥95% Pricing
AP10463Thiol-PEG4-t-butyl ester338.46≥95% Pricing
AP10464Thiol-PEG6-t-butyl ester426.57≥95% Pricing

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