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Crosslinking Reagents

Reagents containing reactive end groups that respond to the presence of specific functional groups by forming bonds between polymer chains. Ideal for various applications including conjugation reactions, biomolecule labeling, and molecular purification.
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1

Thermo Scientific™ PDPH (3-(2-pyridyldithio)propionyl hydrazide)

Crosslink sulfhydryls to periodate-treated glycoprotein sugars via cleavable disulfide bonds using this short crosslinker containing pyridyldithiol and hydrazide groups.

2

Thermo Scientific™ DST (disuccinimidyl tartrate)

Crosslink amines to amines with disuccinimidyl tartrate, composed of NHS-ester groups and a diol-containing spacer arm (6.4A) that is periodate-cleavable.

3

Thermo Scientific™ Sulfo-EMCS (N-ε-maleimidocaproyl-oxysulfosuccinimide ester)

Crosslink amines to sulfhydryls with this mid-length crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of a water-soluble, 8-atom (9.4A) spacer arm.

4

Thermo Scientific™ GMBS (N-γ-maleimidobutyryl-oxysuccinimide ester)

Crosslink amines to sulfhydryls with this short crosslinker composed of NHS-ester and maleimide groups at ends of an aliphatic, 6-atom (7.3A) spacer arm.

5

Thermo Scientific™ EMCS (N-ε-malemidocaproyl-oxysuccinimide ester)

Crosslink amines to sulfhydryls with this mid-length crosslinker composed of NHS-ester and maleimide groups at ends of an aliphatic, 8-atom (9.4A) spacer arm.

6

Thermo Scientific™ SDAD (NHS-SS-Diazirine) (succinimidyl 2-((4,4'-azipentanamido)ethyl)-1,3'-dithiopropionate)

Very short to mid-length (3.9 to 13.5A), amine-to-anything crosslinkers; NHS-ester and diazirine reactive groups; photoactivate with UV light (Amax 330 to 370nm).

7

Thermo Scientific™ KMUH (N-κ-maleimidoundecanoic acid hydrazide)

Crosslink sulfhydryls to periodate-treated glycoprotein sugars with this long (19.0A) crosslinker containing maleimide and hydrazide groups.

8

Thermo Scientific™ Pierce™ Premium Grade DSP (dithiobis(succinimidyl propionate))

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this popular amine-reactive, cleavable crosslinker.

Shipping Condition Ambient
Content And Storage Upon receipt store desiccated at 4°C.
Cleavable By Thiols
Water Soluble No
Form Powder
Molecular Weight (g/mol) 404.42
Solubility DMF, DMSO
Labeling Method Chemical Labeling
Crosslinker Type Homobifunctional
Chemical Reactivity Amine-Amine
Cell Permeability Yes
Format Standard, Single-use, Premium-grade
Product Type Crosslinker
Spacer Medium (10 to 30 Å)
Formulation Dithiobis(succinimidylpropionate); powder solid
Reactive Moiety NHS Ester
Spacer Arm Length 12.0 Å
Product Line Pierce
PEGylated No
9

Thermo Scientific™ SIAB (succinimidyl (4-iodoacetyl)aminobenzoate)

Crosslink amines to sulfhydryls with this mid-length crosslinker composed of NHS-ester and iodoacetyl (haloacetyl) groups at ends of a 9-atom (10.6A) aminobenzoate spacer arm.

10

Thermo Scientific™ LC-SMCC (succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxy-(6-amidocaproate))

Crosslink amines to sulfhydryls with this long crosslinker composed of NHS-ester and maleimide groups at ends of a stabilizing cyclohexane-containing, 15-atom spacer arm.

11

Thermo Scientific™ SM(PEG)12 (PEGylated, long-chain SMCC crosslinker)

Crosslink amines to sulfhydryls with these crosslinkers containing NHS-ester and maleimide groups at ends of water-soluble polyethylene glycol spacer arms (17.6 to 95.2A).

Shipping Condition Ambient
Content And Storage Upon receipt store desiccated at -20°C.
Cleavable No
Water Soluble Yes
Form Liquid
Molecular Weight (g/mol) 865.92
Solubility Water
Labeling Method Chemical Labeling
Crosslinker Type Heterobifunctional
Chemical Reactivity Amine-Sulfhydryl
Cell Permeability No
Format Standard, Single-use
Product Type Crosslinker
Spacer Long (>30 Å)
Reactive Moiety Maleimide, NHS Ester
Spacer Arm Length 53.4 Å
Product Line Pierce
PEGylated Yes
12

Thermo Scientific™ SM(PEG)24 (PEGylated, long-chain SMCC crosslinker)

Crosslink amines to sulfhydryls with these crosslinkers containing NHS-ester and maleimide groups at ends of water-soluble polyethylene glycol spacer arms (17.6 to 95.2A).

13

Thermo Scientific™ NHS-Azide

Activated azido compounds to derivatize proteins or amine surfaces for selective conjugation, detection or purification by phosphine-modified probes.

14

Thermo Scientific™ Sulfo-LC-SPDP (sulfosuccinimidyl 6-(3'-(2-pyridyldithio)propionamido)hexanoate)

Crosslink amines to sulfhydryls with this water-soluble sulfo-NHS-ester and pyridyldithiol groups on 10-atom spacer arms to form cleavable disulfide bonds with cysteines.

15

Thermo Scientific™ BS(PEG)9

Crosslink amines to amines with these long (21.7A and 35.8A) crosslinkers composed of NHS-ester groups and 5-unit or 9-unit PEG spacer arms that enhance protein solubility.