Skip to content

We've sent you an email with a link to update your password.

Login

Email

Password

New customer? Create account

Reset your password

We will send you an email to reset your password.

Email address

Precise PEG

Home
About Us
Applications
Products
Contact
Precise Post

Your cart

Your cart is empty

Continue shopping

Home
Photoaffinity Labeling

Photoaffinity Labeling

134 Results

Sort

Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Clear all

134 Results

Filter

In stock only (134)

Price

$ Min

to

$ Max

The highest price is $8,704.00

View all... Acrylate PEG Alcohol PEG Amino PEG Aminooxy PEG Aryl PEG Azido PEG BCN PEG Biotin PEG Bromo PEG Bromoacetamide PEG DBCO PEG DNP PEG DOTA PEG DOTAGA PEG m-PEG Maleimide PEG PEG Acid PEG Aldehyde PEG CH2COOH Acid PEG Fluorescent Dye PEG Hydrazide PEG Mesylate PEG NHS Ester PEG PFP Ester PEG Phosphonate PEG Phosphonic Acid PEG SDP Ester PEG Silane PEG Sulfonic Acid PEG TFP Ester PEG Tosylate Propargyl PEG SPDP PEG TCO PEG Tetrazine PEG Thiol PEG Mono-dispersed PEG2000 (PEG45) Branched PEG

PEG Derivatives by Application (Reactivity)

Amine reactive PEG derivatives Bifunctional x-Arm PEG Biotinylation PEG derivatives Carbonyl reactive PEGs Carboxyl reactive PEGs Click chemistry PEGs DOTA chelator PEGs Drug delivery PEGs Dye labeling PEGs Nanoparticle PEGylation Peptide and Protein PEGylation Polymerizable PEGs Specialty PEGylation reagents Surface Reactive PEG Derivatives Thiol reactive PEG derivatives Thiol-ene Crosslinker Chemistry

View all... Bispecific Antibodies (BsAbs) Linker Cleavable Linkers Non-Cleavable Linkers Linker Attachment Linker-Payload

View all... Crosslinker Photoaffinity Labeling Other Chemical Proteomics Reagents

View all... Azides Alkynes BCN DBCO TCO Tetrazine

View all... CRBN Ligand-Linker Conjugate Other Ligands-Linker Conjugate VHL Ligand-Linker Conjugate

View all... Uncleavable Biotinylation Reagents Cleavable Biotinylation Reagents Desthiobiotin/Biotin Sulfoxide/Biotin Sulfone

View all... Deferoxamine Derivatives RDC DOTA RDC DOTAGA NOTA/NOTAGA/Other Chelators Targeting Ligands

In stock only (134)

$ Min

to

$ Max

The highest price is $8,704.00

View all... Acrylate PEG Alcohol PEG Amino PEG Aminooxy PEG Aryl PEG Azido PEG BCN PEG Biotin PEG Bromo PEG Bromoacetamide PEG DBCO PEG DNP PEG DOTA PEG DOTAGA PEG m-PEG Maleimide PEG PEG Acid PEG Aldehyde PEG CH2COOH Acid PEG Fluorescent Dye PEG Hydrazide PEG Mesylate PEG NHS Ester PEG PFP Ester PEG Phosphonate PEG Phosphonic Acid PEG SDP Ester PEG Silane PEG Sulfonic Acid PEG TFP Ester PEG Tosylate Propargyl PEG SPDP PEG TCO PEG Tetrazine PEG Thiol PEG Mono-dispersed PEG2000 (PEG45) Branched PEG

PEG Derivatives by Application (Reactivity)

Amine reactive PEG derivatives Bifunctional x-Arm PEG Biotinylation PEG derivatives Carbonyl reactive PEGs Carboxyl reactive PEGs Click chemistry PEGs DOTA chelator PEGs Drug delivery PEGs Dye labeling PEGs Nanoparticle PEGylation Peptide and Protein PEGylation Polymerizable PEGs Specialty PEGylation reagents Surface Reactive PEG Derivatives Thiol reactive PEG derivatives Thiol-ene Crosslinker Chemistry

View all... Bispecific Antibodies (BsAbs) Linker Cleavable Linkers Non-Cleavable Linkers Linker Attachment Linker-Payload

View all... Crosslinker Photoaffinity Labeling Other Chemical Proteomics Reagents

View all... Azides Alkynes BCN DBCO TCO Tetrazine

View all... CRBN Ligand-Linker Conjugate Other Ligands-Linker Conjugate VHL Ligand-Linker Conjugate

View all... Uncleavable Biotinylation Reagents Cleavable Biotinylation Reagents Desthiobiotin/Biotin Sulfoxide/Biotin Sulfone

View all... Deferoxamine Derivatives RDC DOTA RDC DOTAGA NOTA/NOTAGA/Other Chelators Targeting Ligands

Clear all

3-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)propan-1-amine

3-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)propan-1-amine

from $650.00

Unit price: per

from $650.00

Unit price: per

In stock

3-(3-azidopropyl)-3-(but-3-yn-1-yl)-3H-diazirine

3-(3-azidopropyl)-3-(but-3-yn-1-yl)-3H-diazirine

from $540.00

Unit price: per

from $540.00

Unit price: per

In stock

3-(but-3-yn-1-yl)-3-(3-iodopropyl)-3H-diazirine

3-(but-3-yn-1-yl)-3-(3-iodopropyl)-3H-diazirine

from $840.00

Unit price: per

from $840.00

Unit price: per

In stock

3-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)propan-1-ol

3-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)propan-1-ol

from $840.00

Unit price: per

from $840.00

Unit price: per

In stock

PC Mal-NHS carbonate ester

PC Mal-NHS carbonate ester

from $520.00

Unit price: per

from $520.00

Unit price: per

In stock

2,5-dioxopyrrolidin-1-yl 4-(hydroxymethyl)-3-nitrobenzoate

2,5-dioxopyrrolidin-1-yl 4-(hydroxymethyl)-3-nitrobenzoate

from $650.00

Unit price: per

from $650.00

Unit price: per

In stock

2-(4-((2-(but-3-yn-1-ylamino)-2-oxoethyl)amino)phenyl)-2H-tetrazole-5-carboxylic acid

2-(4-((2-(but-3-yn-1-ylamino)-2-oxoethyl)amino)phenyl)-2H-tetrazole-5-carboxylic acid

from $510.00

Unit price: per

from $510.00

Unit price: per

In stock

ethyl 2-(4-aminophenyl)-2H-tetrazole-5-carboxylate hydrochloride

ethyl 2-(4-aminophenyl)-2H-tetrazole-5-carboxylate hydrochloride

from $750.00

Unit price: per

from $750.00

Unit price: per

In stock

2-[4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]phenoxy]ethanol

2-[4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]phenoxy]ethanol

from $540.00

Unit price: per

from $540.00

Unit price: per

In stock

4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzenesulfonyl chloride

4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzenesulfonyl chloride

from $520.00

Unit price: per

from $520.00

Unit price: per

In stock

3-(4-iodophenyl)-3-(trifluoromethyl)-3H-diazirine

3-(4-iodophenyl)-3-(trifluoromethyl)-3H-diazirine

from $580.00

Unit price: per

from $580.00

Unit price: per

In stock

4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenol

4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenol

from $600.00

Unit price: per

from $600.00

Unit price: per

In stock

(S)-2-amino-4-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)butanoic acid

(S)-2-amino-4-(3-(but-3-yn-1-yl)-3H-diazirin-3-yl)butanoic acid

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

(S)-2-amino-4-(3-methyl-3H-diazirin-3-yl)butanoic acid hydrochloride

(S)-2-amino-4-(3-methyl-3H-diazirin-3-yl)butanoic acid hydrochloride

from $670.00

Unit price: per

from $670.00

Unit price: per

In stock

(S)-2-amino-4-(3-methyl-3H-diazirin-3-yl)butanoic acid

(S)-2-amino-4-(3-methyl-3H-diazirin-3-yl)butanoic acid

from $650.00

Unit price: per

from $650.00

Unit price: per

In stock

(S)-2-amino-3-(4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenyl)propanoic acid

(S)-2-amino-3-(4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenyl)propanoic acid

from $650.00

Unit price: per

from $650.00

Unit price: per

In stock

(4-(2-(3-methyl-3H-diazirin-3-yl)ethoxy)phenyl)methanol

(4-(2-(3-methyl-3H-diazirin-3-yl)ethoxy)phenyl)methanol

from $540.00

Unit price: per

from $540.00

Unit price: per

In stock

4-[2-(3-methyl-3H-diaziren-3-yl)ethoxy]benzaldehyde

4-[2-(3-methyl-3H-diaziren-3-yl)ethoxy]benzaldehyde

from $750.00

Unit price: per

from $750.00

Unit price: per

In stock

N-(4-(2-(3-methyl-3H-diazirin-3-yl)ethoxy)phenethyl)hex-5-yn-1-amine

N-(4-(2-(3-methyl-3H-diazirin-3-yl)ethoxy)phenethyl)hex-5-yn-1-amine

from $600.00

Unit price: per

from $600.00

Unit price: per

In stock

7-Azido-6,8-difluoro-4-methyl-2H-1-benzopyran-2-one

7-Azido-6,8-difluoro-4-methyl-2H-1-benzopyran-2-one

from $750.00

Unit price: per

from $750.00

Unit price: per

In stock

12-(4-azido-2,3,5,6-tetrafluorobenzamido)dodecanoic acid

12-(4-azido-2,3,5,6-tetrafluorobenzamido)dodecanoic acid

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

1-(4-azido-2,3,5,6-tetrafluorophenyl)-1,17-dioxo-6,9,12-trioxa-2,16-diazaicosan-20-oic acid

1-(4-azido-2,3,5,6-tetrafluorophenyl)-1,17-dioxo-6,9,12-trioxa-2,16-diazaicosan-20-oic acid

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

N-(3-(2-(2-(3-aminopropoxy)ethoxy)ethoxy)propyl)-4-azido-2,3,5,6-tetrafluorobenzamide

N-(3-(2-(2-(3-aminopropoxy)ethoxy)ethoxy)propyl)-4-azido-2,3,5,6-tetrafluorobenzamide

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-6,9,12-trioxa-2-azapentadecan-15-yl)carbamate

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-6,9,12-trioxa-2-azapentadecan-15-yl)carbamate

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

N-(35-amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)-4-azido-2,3,5,6-tetrafluorobenzamide

N-(35-amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)-4-azido-2,3,5,6-tetrafluorobenzamide

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-5,8,11,14,17,20,23,26,29,32,35-undecaoxa-2-azaheptatriacontan-37-yl)carbamate

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-5,8,11,14,17,20,23,26,29,32,35-undecaoxa-2-azaheptatriacontan-37-yl)carbamate

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-5,8,11-trioxa-2-azatridecan-13-yl)(prop-2-yn-1-yl)carbamate

tert-butyl (1-(4-azido-2,3,5,6-tetrafluorophenyl)-1-oxo-5,8,11-trioxa-2-azatridecan-13-yl)(prop-2-yn-1-yl)carbamate

from $640.00

Unit price: per

from $640.00

Unit price: per

In stock

N-(2-aminoethyl)-4-azido-2,3,5,6-tetrafluorobenzamide

N-(2-aminoethyl)-4-azido-2,3,5,6-tetrafluorobenzamide

from $650.00

Unit price: per

from $650.00

Unit price: per

In stock

tert-butyl (4-azido-2,3,5,6-tetrafluorophenyl)carbamate

tert-butyl (4-azido-2,3,5,6-tetrafluorophenyl)carbamate

from $540.00

Unit price: per

from $540.00

Unit price: per

In stock

sodium 4-((4-azido-2,3,5,6-tetrafluorobenzoyl)oxy)-2,3,5,6-tetrafluorobenzenesulfonate

sodium 4-((4-azido-2,3,5,6-tetrafluorobenzoyl)oxy)-2,3,5,6-tetrafluorobenzenesulfonate

from $840.00

Unit price: per

from $840.00

Unit price: per

In stock

2,5-dioxopyrrolidin-1-yl 4-azido-2,3,5,6-tetrafluorobenzoate

2,5-dioxopyrrolidin-1-yl 4-azido-2,3,5,6-tetrafluorobenzoate

from $410.00

Unit price: per

from $410.00

Unit price: per

In stock

(4-azidophenyl)methanol

(4-azidophenyl)methanol

from $350.00

Unit price: per

from $350.00

Unit price: per

In stock

2,5-dioxopyrrolidin-1-yl 4-azidobenzoate

2,5-dioxopyrrolidin-1-yl 4-azidobenzoate

from $290.00

Unit price: per

from $290.00

Unit price: per

In stock

(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(4-ethynylbenzoyl)phenyl)propanoic acid

(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(4-ethynylbenzoyl)phenyl)propanoic acid

from $720.00

Unit price: per

from $720.00

Unit price: per

In stock

(S)-2-amino-3-(4-(4-ethynylbenzoyl)phenyl)propanoic acid

(S)-2-amino-3-(4-(4-ethynylbenzoyl)phenyl)propanoic acid

from $840.00

Unit price: per

from $840.00

Unit price: per

In stock

(S)-N-(6-(6-azidohexanamido)-1-oxo-1-(prop-2-yn-1-ylamino)hexan-2-yl)-4-benzoylbenzamide

(S)-N-(6-(6-azidohexanamido)-1-oxo-1-(prop-2-yn-1-ylamino)hexan-2-yl)-4-benzoylbenzamide

from $890.00

Unit price: per

from $890.00

Unit price: per

In stock

perfluorophenyl N2-(4-benzoylbenzoyl)-N6-(4-oxo-4-(prop-2-yn-1-ylamino)butanoyl)-L-lysinate

perfluorophenyl N2-(4-benzoylbenzoyl)-N6-(4-oxo-4-(prop-2-yn-1-ylamino)butanoyl)-L-lysinate

from $890.00

Unit price: per

from $890.00

Unit price: per

In stock

N2-(4-benzoylbenzoyl)-N6-(4-oxo-4-(prop-2-yn-1-ylamino)butanoyl)-L-lysine

N2-(4-benzoylbenzoyl)-N6-(4-oxo-4-(prop-2-yn-1-ylamino)butanoyl)-L-lysine

from $720.00

Unit price: per

from $720.00

Unit price: per

In stock

(4-(2-(2-aminoethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

(4-(2-(2-aminoethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

from $790.00

Unit price: per

from $790.00

Unit price: per

In stock

(4-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

(4-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

from $840.00

Unit price: per

from $840.00

Unit price: per

In stock

(4-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

(4-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

from $790.00

Unit price: per

from $790.00

Unit price: per

In stock

(4-(hydroxymethyl)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

(4-(hydroxymethyl)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone

from $540.00

Unit price: per

from $540.00

Unit price: per

In stock

4-(4-(prop-2-yn-1-yloxy)benzoyl)benzoic acid

4-(4-(prop-2-yn-1-yloxy)benzoyl)benzoic acid

from $340.00

Unit price: per

from $340.00

Unit price: per

In stock

3-(3-bromophenyl)-3-(trifluoromethyl)-3H-diazirine

3-(3-bromophenyl)-3-(trifluoromethyl)-3H-diazirine

from $450.00

Unit price: per

from $450.00

Unit price: per

In stock

3-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoic acid

3-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoic acid

from $315.00

Unit price: per

from $315.00

Unit price: per

In stock

N-(1,3-bis(((2S,4S,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)propan-2-yl)-4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzamide

N-(1,3-bis(((2S,4S,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)propan-2-yl)-4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzamide

from $960.00

Unit price: per

from $960.00

Unit price: per

In stock

2,5-dioxopyrrolidin-1-yl 2-(2-(2-(2-(2-azidoacetamido)ethoxy)ethoxy)ethoxy)-4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoate

2,5-dioxopyrrolidin-1-yl 2-(2-(2-(2-(2-azidoacetamido)ethoxy)ethoxy)ethoxy)-4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoate

from $750.00

Unit price: per

from $750.00

Unit price: per

In stock

2-{2-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]ethoxy}-4-[3-(trifluoromethyl)-3H-diazirin-3-yl]benzoic acid

2-{2-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]ethoxy}-4-[3-(trifluoromethyl)-3H-diazirin-3-yl]benzoic acid

from $750.00

Unit price: per

from $750.00

Unit price: per

In stock

You're viewing 48 of 134 products

Load more

Sign up for our newsletter

Subscribe to get notified about product launches, special
offers and company news.

Your email

By completing this form, you are signing up to receive our emails and can
unsubscribe at any time.

Leveraging our technological prowess, PrecisePEG aims to emerge as a prominent provider of PEG linkers, ADC linkers, and other biochemicals, dedicated to supporting diverse research endeavors.

Get in touch

Open Monday to Friday
8 am - 5 pm EST

sales@PrecisePEG.com

405 Larch Circle Newport, DE 19804 USA

The company

Home
About Us
Applications
Products
Contact
Blog

My Account

Login
Register
View Cart

Copyright © 2025, Precise PEG

Return / Refund
Privacy policy
Terms of service
Shipping policy

Managed By Digital Marketing INC

Availability