accessibility menu, dialog, popup

UserName

Crosslinking, Labeling and Protein Modification

A variety of reagents used to modify proteins for identification, analysis, research, and other applications.
Protein Labeling Reagents (89)
Crosslinking Reagents (23)
Protein Modification Reagents (12)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Selected Filters

Clear all

Keyword Search

thiol

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

special offers

  • (2)

brands

  • (13)
  • (54)
  • (8)
  • (46)
  • (3)

special programs

  • (8)

Label Type

  • (12)
  • (4)
  • (23)
  • (2)
  • (9)
  • (1)
  • (2)

Product Line

  • (12)
  • (4)
  • (9)
  • (3)
  • (3)
  • (2)
  • (1)
Show all

Chemical Reactivity

  • (1)
  • (7)
  • (4)
  • (10)
  • (1)
  • (1)
  • (1)
Show all

Spacer

  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Show all

Product Type

  • (23)
  • (1)
  • (2)
  • (1)
  • (1)
  • (1)
  • (2)
Show all

Cleavable

  • (23)

Crosslinker Type

  • (15)
  • (8)

Format

  • (12)
  • (2)
  • (4)
  • (5)

Color

  • (4)
  • (2)
  • (1)
  • (1)
  • (3)
  • (1)

Label or Dye

  • (7)
1 – 15 of 107 results
1

Thermo Scientific™ LanthaScreen™ Thiol Reactive Tb Chelate

LanthaScreen™ Thiol Reactive Tb Chelate

Shipping Condition Dry Ice
Content And Storage LanthaScreen™ TR-FRET Labeling Reagents are provided lyophilized. Store at -20°C, desiccated, and protected from light. After reconstitution, terbium lanthanide chelates should be stored on ice and used within the same day.
Product Type Thiol Reactive Tb Chelate
Product Line LanthaScreen
2

Invitrogen™ Measure-IT™ Thiol Assay Kit

Provides easy and accurate quantitation of thiol

3

Invitrogen™ Thiol and Sulfide Quantitation Kit

Ultrasensitive colorimetric assay for quantifying both protein and nonprotein thiols

4

Thermo Scientific™ CT(PEG)12 Carboxy-PEG-Thiol Compound

CT(PEG)n: carboxylic acid and sulfhydryl compound with a 12-unit polyethylene glycol (PEG) spacer; carboxylate and pegylate quantum dots, gold surfaces, silver.

5

Thermo Scientific™ MT(PEG)4 Methyl-PEG-Thiol Compound

MT(PEG)n: methyl and sulfhydryl compound with a 4-unit polyethylene glycol (PEG) spacer; methylate and pegylate quantum dots, gold surfaces, silver.

6

Thiol-PEG2-acid, TRC

CAS: 1379649-73-6 Molecular Formula: C7H14O4S

CAS 1379649-73-6
Molecular Formula C7H14O4S
7

Thermo Scientific™ Pierce™ Sulfo-SANPAH, No-Weigh™ Format

EDGE
Shipping Condition Ambient
Content And Storage Upon receipt store at -20°C protected from light and moisture.
Cleavable By Thiols
Water Soluble Yes
Form Powder
Molecular Weight (g/mol) 492.4
Solubility Water
Labeling Method Chemical Labeling
Crosslinker Type Heterobifunctional
Chemical Reactivity Amine-Nonselective
Cell Permeability No
Format Standard, Single-use
Product Type Crosslinker
Spacer Medium (10 to 30 Å)
Spacer Arm Length 18.2 Å
PEGylated No
8

Thermo Scientific™ Pierce™ DSP, No-Weigh™ Format

Crosslink amines to amines with dithiobis succinimidyl propionate, composed of NHS-ester groups and disulfide-containing, 12.0A spacer arm and cleavable with reducing agents.

EDGE
Content And Storage Upon receipt store desiccated at 4°C.
Description DSP
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)
Reactive Moiety NHS Ester
Spacer Arm Length 12.0 Å
PEGylated No
9

Thermo Scientific™ EZ-Link™ HPDP-Biotin, No-Weigh™ Format

EDGE
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide)
Label Type Biotin & Analogs
10

Thermo Scientific™ EZ-Link™ Maleimide-PEG2-Biotin, No-Weigh™ Format

Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.

EDGE
Cell Permeability Cell-Impermeant
Product Type Maleimide-PEG2-Biotin
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Reactive Moiety Maleimide
Chemical Reactivity Thiol
Product Line EZ-Link
11

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.

EDGE
12

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.

EDGE
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
13

Invitrogen™ Alexa Fluor™ 488 C5 Maleimide

Alexa Fluor™ 488 is a bright, green fluorescent dye with excitation ideally suited to the 488 nm laser line.

EDGE
14

Invitrogen™ Alexa Fluor™ 555 C2 Maleimide

Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.

EDGE
15
Promotions Available

Thermo Scientific™ Pierce™ MMTS (methyl methanethiosulfonate)

Methyl methanethiosulfonate (CAS 2949-92-0); reversibly blocks cysteines (sulfhydryl groups) to facilitate study of enzyme activation and protein functions.