News
Products
MSDS
NHS ester PEG

NHS-PEG is a widely used amine-reactive PEG reagent for bioconjugation with antibodies (ADCs), proteins, peptides, and other biomolecules. Its NHS ester group readily reacts with primary amines at pH 7–9 to form stable, irreversible amide bonds.

Biopharma PEG supplies PEG NHS in quantities ranging from milligrams to 100 kg GMP-grade scale to meet diverse R&D and production needs. Contact us at sales@biochempeg.com for high-quality products to support your next project.

Catalog No. Name Structure M.W. Purity
MF001025 mPEG-SPA mPEG-SPA ≥95%
MF001027 mPEG-SG mPEG-SG ≥95%
MF001028 mPEG-SS mPEG-SS ≥95%
MF001030 mPEG-SAS mPEG-SAS ≥95%
MF001029 mPEG-GAS mPEG-GAS ≥95%
MF001058 mPEG-SVA mPEG-SVA ≥95%
MF001024 mPEG-SCM mPEG-SCM ≥95%
MF001023 mPEG-SC mPEG-SC ≥95%
MF001032 mPEG-SS-NHS mPEG-SS-NHS ≥95%
HE002023 OH-PEG-SC OH-PEG-SC
HE002024 OH-PEG-SCM OH-PEG-SCM ≥95%
HE002027 OH-PEG-SG OH-PEG-SG ≥95%
HE002028 OH-PEG-SS OH-PEG-SS ≥95%
HE006023 N3-PEG-NHS N3-PEG-NHS ≥95%
HE006024 N3-PEG-SCM N3-PEG-SCM ≥95%
HE006027 N3-PEG-SG N3-PEG-SG ≥95%
HE006028 N3-PEG-SS N3-PEG-SS ≥95%
HE006058 N3-PEG-SVA N3-PEG-SVA ≥95%
HE017028 COOH-PEG-SS COOH-PEG-SS ≥95%
HE003029 SH-PEG-GAS SH-PEG-GAS ≥95%
HE003027 SH-PEG-SG SH-PEG-SG ≥95%
HE003028 SH-PEG-SS SH-PEG-SS ≥95%
HE003023 SH-PEG-SC SH-PEG-SC ≥95%
HE003024 SH-PEG-SCM SH-PEG-SCM ≥95%
HE023017 NHS-PEG-COOH NHS-PEG-COOH ≥95%
HO023023 NHS-PEG-NHS NHS-PEG-NHS
HE023074 NHS-PEG-RGD NHS-PEG-RGD ≥95%
LP096023 DSPE-PEG-SC DSPE-PEG-SC ≥95%
LP096024 DSPE-PEG-SCM DSPE-PEG-SCM ≥95%
LP096027 DSPE-PEG-SG DSPE-PEG-SG ≥95%
LP096028 DSPE-PEG-SS DSPE-PEG-SS ≥95%
LP099023 DLPE-PEG-SC DLPE-PEG-SC ≥95%
LP097023 DMPE-PEG-SC DMPE-PEG-SC ≥95%
LP100023 DOPE-PEG-SC DOPE-PEG-SC ≥95%
LP098023 DPPE-PEG-SC DPPE-PEG-SC ≥95%
HE022025 Mal-NH-PEG-SPA Mal-NH-PEG-SPA ≥95%
HE022023 Mal-PEG-SC Mal-PEG-SC ≥95%
HE022024 Mal-PEG-SCM Mal-PEG-SCM ≥95%
HE022027 Mal-PEG-SG Mal-PEG-SG ≥95%
HE022028 Mal-PEG-SS Mal-PEG-SS ≥95%
HE022058 Mal-PEG-SVA Mal-PEG-SVA ≥95%
HE010023 ACA-PEG-SC ACA-PEG-SC ≥95%
HE010024 ACA-PEG-SCM ACA-PEG-SCM ≥95%
HE010027 ACA-PEG-SG ACA-PEG-SG ≥95%
HE010028 ACA-PEG-SS ACA-PEG-SS ≥95%
HE010058 ACA-PEG-SVA ACA-PEG-SVA ≥95%
HE194023 Acetylthio-PEG-SC Acetylthio-PEG-SC ≥95%
HE009023 AC-PEG-SC AC-PEG-SC ≥95%
HE009027 AC-PEG-SG AC-PEG-SG ≥95%
HE009028 AC-PEG-SS AC-PEG-SS ≥95%
HE009058 AC-PEG-SVA AC-PEG-SVA ≥95%
HE007023 AlKyne-PEG-SC AlKyne-PEG-SC ≥95%
HE007058 Alkyne-PEG-SVA Alkyne-PEG-SVA ≥95%
HE041023 Biotin-PEG-NHS Biotin-PEG-NHS ≥95%
HE041030 Biotin-PEG-SAS Biotin-PEG-SAS ≥95%
HE041024 Biotin-PEG-SCM Biotin-PEG-SCM ≥95%
HE041027 Biotin-PEG-SG Biotin-PEG-SG ≥95%
HE041028 Biotin-PEG-SS Biotin-PEG-SS ≥95%
HE041058 Biotin-PEG-SVA Biotin-PEG-SVA ≥95%
HE068023 BOC-NH-PEG-SC BOC-NH-PEG-SC ≥95%
HE068024 Boc-NH-PEG-SCM Boc-NH-PEG-SCM ≥95%
HE068027 BOC-NH-PEG-SG BOC-NH-PEG-SG ≥95%
HE068028 BOC-NH-PEG-SS BOC-NH-PEG-SS ≥95%
HE004023 CHO-PEG-SC CHO-PEG-SC ≥95%
HE004024 CHO-PEG-SCM CHO-PEG-SCM ≥95%
HE004027 CHO-PEG-SG CHO-PEG-SG ≥95%
HE004028 CHO-PEG-SS CHO-PEG-SS ≥95%
LP095023 CLS-PEG-SC CLS-PEG-SC ≥95%
LP095024 CLS-PEG-SCM CLS-PEG-SCM ≥95%
LP095027 CLS-PEG-SG CLS-PEG-SG ≥95%
LP095028 CLS-PEG-SS CLS-PEG-SS ≥95%
FL077023 Cy3.5-PEG-SC Cy3.5-PEG-SC ≥95%
FL167023 Cy3-PEG-SC Cy3-PEG-SC ≥95%
FL079023 Cy5.5-PEG-SC Cy5.5-PEG-SC ≥95%
FL078023 Cy5-PEG-SC Cy5-PEG-SC ≥95%
FL080023 Cy7-PEG-SC Cy7-PEG-SC ≥95%
HE048023 DBCO-PEG-NHS DBCO-PEG-NHS ≥95%
HE048058 DBCO-PEG-SVA DBCO-PEG-SVA ≥95%
FL044023 FITC-PEG-SC FITC-PEG-SC ≥95%
HE069023 Fmoc-NH-PEG-SC Fmoc-NH-PEG-SC ≥95%
HE069024 Fmoc-NH-PEG-SCM Fmoc-NH-PEG-SCM ≥95%
HE069027 Fmoc-NH-PEG-SG Fmoc-NH-PEG-SG ≥95%
HE069028 Fmoc-NH-PEG-SS Fmoc-NH-PEG-SS ≥95%
HE023222 Diethoxylsilane-PEG-SC Diethoxylsilane-PEG-SC ≥95%
HE057023 FA-PEG-NHS FA-PEG-NHS
HE072024 Gala-PEG-SCM Gala-PEG-SCM ≥95%
HO029029 GAS-PEG-GAS GAS-PEG-GAS ≥95%
HE251023 Gluconic acid-PEG-SC Gluconic acid-PEG-SC ≥95%
HE117024 Gluc-PEG-SCM Gluc-PEG-SCM ≥95%
HE018023 IA-PEG-SC IA-PEG-SC ≥95%
HE039023 LA-PEG-SC LA-PEG-SC ≥95%
HE039024 LA-PEG-SCM LA-PEG-SCM ≥95%
HE039027 LA-PEG-SG LA-PEG-SG ≥95%
HE039028 LA-PEG-SS LA-PEG-SS ≥95%
HE011023 MA-PEG-SC MA-PEG-SC ≥95%
HE035023 OPSS-PEG-NHS OPSS-PEG-NHS ≥95%
HE035024 OPSS-PEG-SCM OPSS-PEG-SCM ≥95%
LP226023 Palmitic acid-PEG-SC Palmitic acid-PEG-SC ≥95%
HE061023 PCL(10K)-PEG-SC PCL(10K)-PEG-SC ≥95%
HE116023 PCL(5K)-PEG-NHS PCL(5K)-PEG-NHS ≥95%
HE174023 PDLLA(5K)-PEG-NHS PDLLA(5K)-PEG-NHS ≥95%
HE064023 PLA(5K)-PEG-SC PLA(5K)-PEG-SC ≥95%
HE087023 PLGA(10K)-PEG-SC PLGA(10K)-PEG-SC ≥95%
HE180023 PLGA(20K)-PEG-NHS PLGA(20K)-PEG-NHS ≥95%
HE084023 PLGA(2K)-PEG-SC PLGA(2K)-PEG-SC ≥95%
HE085023 PLGA(5K)-PEG-NHS PLGA(5K)-PEG-NHS ≥95%
HE163023 PLGA(75:25)(5K)-PEG-NHS PLGA(75:25)(5K)-PEG-NHS ≥95%
HE223023 PS-PEG-SC PS-PEG-SC ≥95%
FL045023 RB-PEG-SC RB-PEG-SC ≥95%
HO030030 SAS-PEG-SAS SAS-PEG-SAS ≥95%
HE024017 SCM-PEG-COOH SCM-PEG-COOH ≥95%
HO024024 SCM-PEG-SCM SCM-PEG-SCM ≥95%
HO278278 SCM-S-PEG-S-SCM SCM-S-PEG-S-SCM ≥95%
HE023008 SC-PEG-Alkene SC-PEG-Alkene ≥95%
HE023067 SC-PEG-CH2CH2COOtBu SC-PEG-CH2CH2COOtBu ≥95%
HE023203 SC-PEG-CLA SC-PEG-CLA ≥95%
HE023213 SC-PEG-MTA SC-PEG-MTA ≥95%
HE023211 SC-PEG-OLA SC-PEG-OLA ≥95%
HE023063 SC-PEG-PLA(2K) SC-PEG-PLA(2K) ≥95%
HE023166 SC-PEG-Tretinoin SC-PEG-Tretinoin ≥95%
HE027017 SG-PEG-COOH SG-PEG-COOH ≥95%
HO027027 SG-PEG-SG SG-PEG-SG
HE020023 Silane-PEG-SC Silane-PEG-SC ≥95%
HO025025 SPA-PEG-SPA SPA-PEG-SPA ≥95%
HO028028 SS-PEG-SS SS-PEG-SS
LP101023 STA-PEG-SC STA-PEG-SC ≥95%
HO058058 SVA-PEG-SVA SVA-PEG-SVA ≥95%
HE161023 Tocopherol-PEG-SC Tocopherol-PEG-SC ≥95%
HE090023 VD-PEG-NHS VD-PEG-NHS ≥95%
HE081023 Ph-PEG-NHS Ph-PEG-NHS ≥95%
HE199023 LNA-PEG-SC LNA-PEG-SC ≥95%
HE198023 LRA-PEG-SC LRA-PEG-SC ≥95%
HE023221 Monoethoxylsilane-PEG-SC Monoethoxylsilane-PEG-SC ≥95%
HE068058 Boc-NH-PEG-SVA Boc-NH-PEG-SVA ≥95%
HE232023 Methyltetrazine-PEG-NHS Methyltetrazine-PEG-NHS ≥95%
HE023262 SC-PEG-c(RGDyK) SC-PEG-c(RGDyK) ≥95%
HE023178 SC-PEG-DEP SC-PEG-DEP ≥95%
Top