PEG NHS ester

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The PEG NHS esters provide efficient PEGylation with primary amines at pH 7-9. Reaction of the NHS-ester group results in the formation of a stable, irreversible amide bond.

PEG NHS ester
Catalog No. Name Structure M.W. Purity Pricing

Acid-PEG-NHS ester

BP-22972 Acid-PEG3-NHS ester Acid-PEG3-NHS ester 347.3 98% Pricing
BP-22220 Acid-PEG5-NHS ester Acid-PEG5-NHS ester 435.4 95% Pricing
BP-22221 Acid-PEG9-NHS ester Acid-PEG9-NHS ester 611.6 95% Pricing
BP-22330 Acid-PEG13-NHS ester Acid-PEG13-NHS ester 787.9 95% Pricing
BP-22816 Acid-PEG25-NHS ester Acid-PEG25-NHS ester 1316.5 95% Pricing

Azido-PEG-NHS ester

BP-22467 Azidoacetic acid NHS ester Azidoacetic acid NHS ester 198.1 95% Pricing
 
BP-23322 3-Azidopropionic Acid Sulfo-NHS Ester 3-Azidopropionic Acid Sulfo-NHS Ester 314.2 90% Pricing
 
BP-21857 Azido-PEG1-NHS ester Azido-PEG1-NHS ester 256.2 98% Pricing
BP-20524 Azido-PEG2-NHS ester Azido-PEG2-NHS ester 300.3 98% Pricing
BP-21605 Azido-PEG3-NHS ester Azido-PEG3-NHS ester 344.3 98% Pricing
BP-20518 Azido-PEG4-NHS ester Azido-PEG4-NHS ester 388.4 98% Pricing
BP-21659 Azido-PEG5-NHS ester Azido-PEG5-NHS ester 432.4 98% Pricing
BP-21506 Azido-PEG6-NHS ester Azido-PEG6-NHS ester 476.5 98% Pricing
BP-21606 Azido-PEG8-NHS ester Azido-PEG8-NHS ester 564.6 98% Pricing
BP-23997 Azido-PEG9-NHS ester Azido-PEG9-NHS ester 608.6 98% Pricing
BP-23998 Azido-PEG10-NHS ester Azido-PEG10-NHS ester 652.7 98% Pricing
BP-21607 Azido-PEG12-NHS ester Azido-PEG12-NHS ester 740.8 98% Pricing
BP-23541 Azido-PEG16-NHS ester Azido-PEG16-NHS ester 917.0 96% Pricing
BP-23542 Azido-PEG24-NHS ester Azido-PEG24-NHS ester 1269.5 98% Pricing

Azido-PEG-CH2CO2-NHS

BP-24047 Azido-PEG1-CH2CO2-NHS Azido-PEG1-CH2CO2-NHS 242.2 Pricing
BP-22323 Azido-PEG2-CH2CO2-NHS Azido-PEG2-CH2CO2-NHS 286.2 98% Pricing
BP-24046 Azido-PEG3-CH2CO2-NHS Azido-PEG3-CH2CO2-NHS 330.3 Pricing
BP-22305 Azido-PEG4-CH2CO2-NHS Azido-PEG4-CH2CO2-NHS 374.4 98% Pricing
BP-23806 Azido-PEG5-CH2CO2-NHS Azido-PEG5-CH2CO2-NHS 418.4 97% Pricing
BP-23818 Azido-PEG8-CH2CO2-NHS Azido-PEG8-CH2CO2-NHS 550.6 98% Pricing

Azido-PEG-succinimidyl carbonate

BP-23739 Azido-PEG3-succinimidyl carbonate Azido-PEG3-succinimidyl carbonate 360.3 98% Pricing
BP-23747 Azido-PEG5-succinimidyl carbonate Azido-PEG5-succinimidyl carbonate 448.4 98% Pricing

Azido-PEG-aminoacetic acid-NHS ester

BP-23856 Azido-PEG3-aminoacetic acid-NHS ester Azido-PEG3-aminoacetic acid-NHS ester 373.4 98% Pricing

Bis-PEG-NHS

BP-24111 Di(N-succinimidyl)adipate Di(N-succinimidyl)adipate 340.3 98% Pricing
BP-21832 Bis-PEG1-NHS ester Bis-PEG1-NHS ester 356.3 98% Pricing
BP-20617 Bis-PEG2-NHS ester Bis-PEG2-NHS ester 400.3 98% Pricing
BP-20611 Bis-PEG3-NHS ester Bis-PEG3-NHS ester 444.4 98% Pricing
BP-21602 Bis-PEG4-NHS ester Bis-PEG4-NHS ester 488.5 98% Pricing
BP-20429 Bis-PEG5-NHS ester Bis-PEG5-NHS ester 532.5 98% Pricing
BP-21681 Bis-PEG6-NHS ester Bis-PEG6-NHS ester 576.6 98% Pricing
BP-20430 Bis-PEG7-NHS ester Bis-PEG7-NHS ester 620.6 98% Pricing
BP-21504 Bis-PEG9-NHS ester Bis-PEG9-NHS ester 708.7 98% Pricing
BP-22588 Bis-PEG10-NHS ester Bis-PEG10-NHS ester 752.8 98% Pricing
BP-23406 Bis-PEG11-NHS ester Bis-PEG11-NHS ester 796.8 95% Pricing
BP-21505 Bis-PEG13-NHS ester Bis-PEG13-NHS ester 884.9 98% Pricing
BP-21682 Bis-PEG17-NHS ester Bis-PEG17-NHS ester 1061.1 98% Pricing
BP-21947 Bis-PE21 NHS ester Bis-PE21 NHS ester 1237.4 97% Pricing
BP-21948 Bis-PEG25-NHS ester Bis-PEG25-NHS ester 1413.6 97% Pricing
 
BP-22662 EGS Crosslinker EGS Crosslinker 456.4 97% Pricing

Fmoc-PEG-NHS ester

BP-22336 Fmoc-PEG1-NHS ester Fmoc-PEG1-NHS ester 452.5 98% Pricing
BP-22335 Fmoc-PEG2-NHS ester Fmoc-PEG2-NHS ester 496.5 98% Pricing
BP-22334 Fmoc-PEG3-NHS ester Fmoc-PEG3-NHS ester 540.6 98% Pricing
BP-20644 Fmoc-PEG4-NHS ester Fmoc-PEG4-NHS ester 584.6 98% Pricing
BP-22808 Fmoc-PEG5-NHS ester Fmoc-PEG5-NHS ester 628.7 98% Pricing
BP-21633 Fmoc-PEG6-NHS ester Fmoc-PEG6-NHS ester 672.7 98% Pricing
BP-21634 Fmoc-PEG8-NHS ester Fmoc-PEG8-NHS ester 760.8 98% Pricing
BP-22241 Fmoc-PEG12-NHS ester Fmoc-PEG12-NHS ester 937.1 95% Pricing

Fmoc-PEG-CH2CO2-NHS

BP-23791 Fmoc-PEG3-CH2CO2-NHS Fmoc-PEG3-CH2CO2-NHS 526.5 98% Pricing

Fmoc-NMe-PEG-NHS ester

BP-24027 Fmoc-NMe-PEG4-NHS ester Fmoc-NMe-PEG4-NHS ester 598.7 Pricing

Fmoc-aminooxy-PEG-NHS ester

BP-23980 Fmoc-aminooxy-PEG12-NHS ester Fmoc-aminooxy-PEG12-NHS ester 953.1 98% Pricing

m-PEG-NHS ester

BP-23503 m-PEG1-NHS ester m-PEG1-NHS ester 201.2 98% Pricing
BP-20980 m-PEG3-NHS ester m-PEG3-NHS ester 289.3 98% Pricing
BP-20972 m-PEG4-NHS ester m-PEG4-NHS ester 333.3 98% Pricing
BP-20458 m-PEG5-NHS ester m-PEG5-NHS ester 377.4 98% Pricing
BP-22086 m-PEG6-NHS ester m-PEG6-NHS ester 421.4 98% Pricing
BP-20459 m-PEG7-NHS ester m-PEG7-NHS ester 465.5 98% Pricing
BP-21103 m-PEG8-NHS ester m-PEG8-NHS ester 509.6 98% Pricing
BP-22624 m-PEG9-NHS ester m-PEG9-NHS ester 553.6 98% Pricing
BP-24021 m-PEG10-NHS ester m-PEG10-NHS ester 597.7 98% Pricing
BP-22859 m-PEG11-NHS ester m-PEG11-NHS ester 641.7 98% Pricing
BP-21104 m-PEG12-NHS ester m-PEG12-NHS ester 685.8 98% Pricing
BP-22584 m-PEG13-NHS ester m-PEG13-NHS ester 729.8 98% Pricing
BP-23665 m-PEG16-NHS ester m-PEG16-NHS ester 862.0 98% Pricing
BP-22247 m-PEG24-NHS ester m-PEG24-NHS ester 1214.4 97% Pricing
BP-22250 m-PEG25-NHS ester m-PEG25-NHS ester 1258.5 97% Pricing
BP-22248 m-PEG37-NHS ester m-PEG37-NHS ester 1787.1 97% Pricing

m-PEG-succinimidyl carbonate

BP-21577 m-PEG3-succinimidyl carbonate m-PEG3-succinimidyl carbonate 305.3 98% Pricing
BP-23731 m-PEG4-succinimidyl carbonate m-PEG4-succinimidyl carbonate 349.3 98% Pricing
BP-23729 m-PEG5-succinimidyl carbonate m-PEG5-succinimidyl carbonate 393.4 98% Pricing
BP-23740 m-PEG8-succinimidyl carbonate m-PEG8-succinimidyl carbonate 525.6 98% Pricing

Mal-PEG-NHS ester

BP-21854 Mal-PEG1-NHS ester Mal-PEG1-NHS ester 310.3 98% Pricing
BP-21680 Mal-PEG2-NHS ester Mal-PEG2-NHS ester 354.3 98% Pricing
BP-21855 Mal-PEG3-NHS ester Mal-PEG3-NHS ester 398.4 98% Pricing
BP-20554 Mal-PEG4-NHS ester Mal-PEG4-NHS ester 442.4 98% Pricing
BP-21856 Mal-PEG5-NHS ester Mal-PEG5-NHS ester 486.5 98% Pricing
BP-20553 Mal-PEG6-NHS ester Mal-PEG6-NHS ester 530.5 98% Pricing
BP-23302 Mal-PEG8-NHS ester Mal-PEG8-NHS ester 618.6 97% Pricing
BP-24079 Mal-PEG12-NHS ester Mal-PEG12-NHS ester 794.9 96% Pricing

Propargyl-PEG-NHS ester

BP-23819 Propargyl-PEG1-NHS ester Propargyl-PEG1-NHS ester 225.2 98% Pricing
BP-21613 Propargyl-PEG3-NHS ester Propargyl-PEG3-NHS ester 313.3 98% Pricing
BP-21612 Propargyl-PEG4-NHS ester Propargyl-PEG4-NHS ester 357.4 98% Pricing
BP-20907 Propargyl-PEG5-NHS ester Propargyl-PEG5-NHS ester 401.4 98% Pricing
BP-23422 Propargyl-PEG6-NHS ester Propargyl-PEG6-NHS ester 445.5 98% Pricing
BP-23458 Propargyl-PEG7-NHS ester Propargyl-PEG7-NHS ester 489.5 98% Pricing
BP-23778 Propargyl-PEG8-NHS ester Propargyl-PEG8-NHS ester 533.6 98% Pricing

Propargyl-PEG-CH2CO2-NHS

BP-23811 Propargyl-PEG4-CH2CO2-NHS Propargyl-PEG4-CH2CO2-NHS 343.3 Pricing
BP-23812 Propargyl-PEG5-CH2CO2-NHS Propargyl-PEG5-CH2CO2-NHS 387.4 Pricing

t-Boc-N-amido-PEG-NHS ester

BP-23959 t-Boc-N-amido-PEG1-NHS ester t-Boc-N-amido-PEG1-NHS ester 330.3 98% Pricing
BP-23961 t-Boc-N-amido-PEG2-NHS ester t-Boc-N-amido-PEG2-NHS ester 374.4 98% Pricing
BP-24135 t-Boc-N-amido-PEG3-NHS ester t-Boc-N-amido-PEG3-NHS ester 418.4 98% Pricing
BP-23472 t-Boc-N-amido-PEG4-NHS ester t-Boc-N-amido-PEG4-NHS ester 462.5 98% Pricing
BP-23148 t-Boc-N-amido-PEG5-NHS ester t-Boc-N-amido-PEG5-NHS ester 506.6 98% Pricing
BP-24041 t-Boc-N-amido-PEG10-NHS ester t-Boc-N-amido-PEG10-NHS ester 726.8 98% Pricing

t-Boc-Aminooxy-PEG-NHS ester

BP-24082 t-Boc-Aminooxy-PEG12-NHS ester t-Boc-Aminooxy-PEG12-NHS ester 830.9 96% Pricing

t-Butoxycarbonyl-PEG-NHS ester

BP-24001 t-Butoxycarbonyl-PEG1-NHS ester t-Butoxycarbonyl-PEG1-NHS ester 315.3 98% Pricing
BP-22936 t-Butoxycarbonyl-PEG4-NHS ester t-Butoxycarbonyl-PEG4-NHS ester 447.5 97% Pricing

Branched PEG

 
BP-23826 N-(NHS-PEG3)-N-bis(PEG3-azide) N-(NHS-PEG3)-N-bis(PEG3-azide) 720.8 98% Pricing
 
BP-23518 N-(Azido-PEG2)-N-Boc-PEG3-NHS ester N-(Azido-PEG2)-N-Boc-PEG3-NHS ester 575.6 98% Pricing
BP-23523 N-(Azido-PEG2)-N-Boc-PEG4-NHS ester N-(Azido-PEG2)-N-Boc-PEG4-NHS ester 619.7 98% Pricing
BP-23565 N-(Azido-PEG3)-N-Boc-PEG3-NHS ester N-(Azido-PEG3)-N-Boc-PEG3-NHS ester 619.7 98% Pricing
BP-23586 N-(Azido-PEG3)-N-Boc-PEG4-NHS ester N-(Azido-PEG3)-N-Boc-PEG4-NHS ester 663.7 98% Pricing
 
BP-23777 N-Mal-N-bis(PEG2-NHS ester) N-Mal-N-bis(PEG2-NHS ester) 682.6 98% Pricing
BP-23736 N-Mal-N-bis(PEG4-NHS ester) N-Mal-N-bis(PEG4-NHS ester) 858.9 98% Pricing
 
BP-23769 N-DBCO-N-bis(PEG2-NHS ester) N-DBCO-N-bis(PEG2-NHS ester) 818.8 98% Pricing
 
BP-23255 N-Boc-N-bis(PEG3-NHS ester) N-Boc-N-bis(PEG3-NHS ester) 719.7 97% Pricing
BP-23498 N-Boc-N-bis(PEG4-NHS ester) N-Boc-N-bis(PEG4-NHS ester) 807.9 97% Pricing
 
BP-21107 NHS-PEG4-(m-PEG4)3-ester NHS-PEG4-(m-PEG4)3-ester 1363.6 96% Pricing
BP-23454 NHS-PEG4-(m-PEG12)3-ester NHS-PEG4-(m-PEG12)3-ester 2420.9 90% Pricing