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Disodium 3,3'-Dithiobis(1-propanesulfonate) ≥97.0% (by titrimetric analysis)

Supplier: TCI America
Description: Disodium 3,3'-Dithiobis(1-Propanesulfonate), Purity: >97.0%(T), Cas no: 27206-35-5, Molecular formula : C6H12Na2O6S4, Molecular weight : 354.38, Synonyms: 3,3'-Dithiobis(1-propanesulfonic Acid) Disodium Salt, Size: 100G

Product Image-CAPI21578

DTSSP (3,3'-Dithiobis(sulfosuccinimidyl propionate)), Pierce™

Catalog Number: (CAPI21578)
Supplier: Thermo Scientific
Description: Thermo Scientific Pierce DTSSP is a popular water-soluble crosslinker that contains amine-reactive NHS-ester ends around an 8-atom spacer arm, whose central disulfide bond can be cleaved with reducing agents.

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Image Unavailable-CA80056-346

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB)

Catalog Number: (CA80056-346)
Supplier: MilliporeSigma
Description: 5,5''-Dithio-bis-(2-nitrobenzoic Acid). (DTNB; Ellman'' s reagent). Pale yellow solid. PROTECT FROM LIGHT. PROTECT FROM MOISTURE. Sulfhydryl reagent used to characterize reacting SH groups. Useful in photometric determination of thiols.

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Image Unavailable-CA82022-784

DTSSP (3,3'-Dithiobis(sulfosuccinimidyl propionate))

Catalog Number: (CA82022-784)
Supplier: G-Biosciences
Description: 3,3’-Dithiobis(sulfosuccinimidyl propionate) Homobifunctional Cross Linker.
Product Image-89150-618

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB) ≥98% (by titrimetric analysis)

Supplier: Enzo Life Sciences
Description: Sensitive sulfhydyl reagent

Image Unavailable-CA82022-782

DSP (Dithiobis(succinimidyl propionate))

Catalog Number: (CA82022-782)
Supplier: G-Biosciences
Description: Dithiobis(succinimidyl propionate) Homobifunctional Cross Linker.
Image Unavailable-TCD0944-001G

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB) ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America
Description: [for Determination of SH groups]
CAS Number: 69-78-3
MDL Number: MFCD00007140
Molecular Formula: C14H8N2O8S2
Molecular Weight: 396.34
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal

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Image Unavailable-TCD2473-200MG

DSP (Dithiobis(succinimidyl propionate)) ≥97.0% (by total nitrogen basis)

Catalog Number: (TCD2473-200MG)
Supplier: TCI America
Description: [Cross-linking Reagent]
CAS Number: 57757-57-0
MDL Number: MFCD00042045
Molecular Formula: C14H16N2O8S2
Molecular Weight: 404.41
Purity/Analysis Method: >97.0% (N)
Form: Crystal
Melting point (°C): 133
Storage Temperature: 0-10°C

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Image Unavailable-CAAAA14331-03

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB) 99%

Supplier: Thermo Scientific Chemicals
Description: Reagent for determination of sufhydryl groups

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Product Image-CA82022-846

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB), Molecular Biology Grade

Catalog Number: (CA82022-846)
Supplier: G-Biosciences
Description: Ellman's reagent is a versatile, water-soluble compound for quantifying free sulfhydryl groups in solution. It reacts with a free sulfhydryl group to yield a mixed disulfide and 2-nitro-5-thiobenzoic acid (NTB), a measurable yellow colored product at 412nm.
Ellman's reagent is very useful as a free sulfhydryl assay reagent due to its high specificity for -SH groups at neutral pH, high molar extinction coefficient and short reaction time.
Image Unavailable-CAPI22585

DSP (Dithiobis(succinimidyl propionate)), Premium Grade, Pierce™

Supplier: Thermo Scientific
Description: Thermo Scientific Pierce DSP (Lomant's Reagent) is a water-insoluble, homo-bifunctional N-hydroxysuccimide ester (NHS ester) crosslinker that is thiol-cleavable, primary amine-reactive, and useful for many applications. DSP contains an amine-reactive NHS ester at each end of an 8-carbon spacer arm. NHS esters react with primary amines at pH 7–9 to form stable amide bonds and releasing N-hydroxy-succinimide. Proteins, including antibodies, generally have several primary amines in the side chain of lysine (K) residues and the N-terminus of each polypeptide that are available as targets for NHS ester crosslinking reagents. DSP is non-sulfonated and insoluble in water, so it must first be dissolved in an organic solvent and then added to the aqueous reaction mixture. Because DSP does not possess a charged group, it is lipophilic and membrane-permeable and so useful for intracellular and intramembrane conjugation. A sulfonated analog of DSP (DTTSP) is water soluble. DSS, the non-cleavable analog of the DSP crosslinker is also available for applications that require a stable spacer arm that cannot be cleaved in the presence of reducing agents.

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Image Unavailable-CAPI22582

5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB), Pierce™

Catalog Number: (CAPI22582)
Supplier: Thermo Scientific
Description: Thermo Scientific Pierce Ellman's Reagent (DTNB) reacts with sulfhydryl groups to yield a colored product, providing a reliable method to measure reduced cysteines and other free sulfhydryls in solution.

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Image Unavailable-CAAAA13762-18

L(-)-Cystine 99%

Supplier: Thermo Scientific Chemicals
Description: L(-)-Cystine 99%

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Image Unavailable-CAAAJ61651-22

L(-)-Cystine cell culture reagent

Supplier: Thermo Scientific Chemicals
Description: Powder

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Image Unavailable-CA80057-978

L(-)-Cystine ≥98%, Calbiochem®

Catalog Number: (CA80057-978)
Supplier: MilliporeSigma
Description: ( [(Cys)2]). White solid. Purity: >99%. Heavy metals: <10 ppm. Soluble in H2O. RTECS HA2690000, CAS 56-89-3, M.W. 240.3.

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Product Image-BDH7497-4

EDTA disodium salt 0.05 M in aqueous solution, VWR Chemicals BDH®

Supplier: VWR International
Description: Made with deionized water.

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