Activated esters (bifunctional)

Alkyne-PEG2-NHS ester

Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on diethyleneglycol (PEG2).
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Cat. # Quantity Price Lead time
2219-1g 1 g $450.00 in stock
2219-5g 5 g $980.00 in stock

Alkyne-PEG3-NHS ester

Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on triethyleneglycol (PEG3).
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Cat. # Quantity Price Lead time
2298-1g 1 g $490.00 in stock
2298-5g 5 g $980.00 in stock

Alkyne-PEG4-NHS ester

Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on tetraethyleneglycol (PEG4).
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Cat. # Quantity Price Lead time
2409-100mg 100 mg $250.00 5 days
2409-1g 1 g $790.00 in stock

Azide-PEG6-NHS ester

A hydrophilic bifunctional linker with azide and NHS ester function groups flanking PEG6 (hexaethylene glycol).
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Cat. # Quantity Price Lead time
3692-250mg 250 mg $325.00 in stock
3692-1g 1 g $539.00 in stock

Azidobutyric acid NHS ester

Activated NHS ester for azido-labeling of peptides and proteins.
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Cat. # Quantity Price Lead time
53720 50 mg $60.00 in stock
63720 100 mg $95.00 in stock
73720 1 g $490.00 in stock
83720 5 g please inquire in stock

Biotin-PEG4-NHS ester

PEG4-containing activated ester for simple and efficient biotin labeling of antibodies, proteins, and other primary amine-containing biomolecules.
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Cat. # Quantity Price Lead time
2893-100mg 100 mg $145.00 in stock
2893-1g 1 g $590.00 in stock

DBCO NHS ester

Azodibenzocyclooctyne (DBCO, ADIBO) reagent for strain-promoted copper-free click chemistry (SPAAC). The reagent contains an NHS ester function for the attachment of the cyclooctyne to various molecules.
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Cat. # Quantity Price Lead time
34720 10 mg $80.00 in stock
44720 25 mg $110.00 in stock
54720 50 mg $135.00 in stock
64720 100 mg $210.00 in stock
94720 1 g $1000.00 in stock
K4720 5 g $3570.00 in stock

DBCO-PEG6-NHS ester

A heterobifunctional linker with DBCO and NHS ester function groups flanking PEG6 (hexaethylene glycol).
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Cat. # Quantity Price Lead time
3664-10mg 10 mg –   in stock
3664-50mg 50 mg $247.00 5 days
3664-100mg 100 mg $449.00 in stock
3664-1g 1 g $3490.00 5 days

DBCO STP ester

Activated ester for modification of proteins/antibodies/peptides followed by introduction into copper-free click chemistry reaction.
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Cat. # Quantity Price Lead time
2584-5mg 5 mg –   in stock
2584-10mg 10 mg $90.00 in stock
2584-25mg 25 mg $180.00 in stock
2584-100mg 100 mg $450.00 in stock
2584-500mg 500 mg $1700.00 in stock
2584-1g 1 g $3000.00 in stock
2584-5g 5 g please inquire 21 days

Hexynoic acid NHS ester

Hexynoic acid NHS ester for the labeling of biomolecules with alkyne group for copper-catalyzed click chemistry.
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Cat. # Quantity Price Lead time
41720 25 mg $95.00 in stock
51720 50 mg $180.00 in stock
61720 100 mg $290.00 in stock
91720 1 g please inquire in stock

Hexynoic acid STP ester

Alkyne activated ester for the modification of amine groups. STP ester group is an excellent alternative to NHS ester functionality.
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Cat. # Quantity Price Lead time
569-25mg 25 mg $95.00 in stock
569-100mg 100 mg $185.00 in stock
569-500mg 500 mg $850.00 in stock

Pentynoic acid STP ester

An activated ester for the introduction of alkyne into peptides/proteins and click reaction.
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Cat. # Quantity Price Lead time
30720 10 mg $110.00 in stock
40720 25 mg $210.00 in stock
50720 50 mg $410.00 in stock
60720 100 mg $695.00 5 days

TCO-PEG4-NHS ester (axial isomer)

A heterobifunctional linker with trans-cyclooctene and NHS ester groups flanking PEG4 (tetraethylene glycol) for labeling of antibodies, proteins, and other primary amine-containing biomolecules.
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Cat. # Quantity Price Lead time
3056-10mg 10 mg $135.00 in stock
3056-25mg 25 mg $212.00 in stock
3056-100mg 100 mg $400.00 in stock

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