11776 Results for: "Disodium-4-formylbenzoni-1,3-disulfonate"

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Ponceau S ≥85.0% (by total nitrogen basis) for biochemical research

Supplier: TCI America

[for Biochemical Research]
CAS Number: 6226-79-5
MDL Number: MFCD00003892
Molecular Formula: C22H16N4O13S4
Molecular Weight: 760.55
Purity/Analysis Method: >85.0% (N)
Form: Crystal

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Trypan blue

Supplier: TCI America

CAS Number: 72-57-1
MDL Number: MFCD00003969
Molecular Formula: C34H28N6O14S4
Molecular Weight: 960.79
Form: Crystal
Color: Deep Green

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Stilbazo

Supplier: TCI America

[Spectrophotometric reagent for Al and other metals]
CAS Number: 1571-36-4
MDL Number: MFCD00045752
Molecular Formula: C26H26N6O10S2
Molecular Weight: 646.65
Form: Crystal
Color: Deep Yellow Red

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Azomethine H hydrate

Supplier: Thermo Scientific Chemicals

MDL: MFCD00066536 Notes: Reagent for boron determination

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Ponceau S solution

Supplier: Rockland Immunochemical

Ponceau S solution

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Ponceau S ≥85.0% (by total nitrogen basis)

Supplier: TCI America

CAS Number: 6226-79-5
MDL Number: MFCD00003892
Molecular Formula: C22H16N4O13S4
Molecular Weight: 760.55
Purity/Analysis Method: >85.0% (N)
Form: Crystal
Lambda max.: 520 nm (H2O)

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Ponceau S 0.1 % (w/v) in 5% acetic acid staining solution

Supplier: Biotium

Ponceau S staining solution is used for the detection of proteins on PVDF and nitrocellulose membranes with a limit of detection of about 250 ng of transferred protein.

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Sulfonazo III sodium salt ≥90.0% (by HPLC)

Supplier: TCI America

[Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
CAS Number: 68504-35-8
MDL Number: MFCD00003942
Molecular Formula: C22H16N4O14S4
Molecular Weight: 776.55
Purity/Analysis Method: >90.0% (HPLC)
Form: Crystal

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Azomethine H sodium salt hydrate

Supplier: Thermo Scientific Chemicals

MDL: MFCD00149588 Beilstein Registry No.: 4100175

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Ponceau S solution 0.1% in 1% acetic acid protein stain

Supplier: Azure Biosystems

Azure Ponceau detects total protein on nitrocellulose and PVDF membranes, allowing you to check the quality of protein transfer before proceeding with Western blotting.

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Naphthalene black 10B (naphthol blue black, acid black 1) ≥97.0% (by HPLC)

Supplier: TCI America

CAS Number: 1064-48-8
MDL Number: MFCD00004017
Molecular Formula: C22H16N6O9S2
Molecular Weight: 616.49
Purity/Analysis Method: >97.0% (HPLC)
Form: Crystal
Lambda max.: 618 nm (H2O)

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Acid red 27

Supplier: TCI America

CAS Number: 915-67-3
MDL Number: MFCD00004076
Molecular Formula: C20H14N2O10S3
Molecular Weight: 604.46
Form: Powder
Color: Red
Melting point (°C): 220
Lambda max.: 521 nm (H2O)

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Sodium-4-amino-1,5-naphthalenedisulfonate ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America

CAS Number: 85328-80-9
MDL Number: MFCD00021519
Molecular Formula: C10H9NO6S2
Molecular Weight: 325.28
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal

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EDTA disodium salt 0.0100 M in aqueous solution, VWR Chemicals BDH®

Supplier: VWR International

Suitable as a titrant. Made with deionized water.

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Trypan blue 0.4% in PBS

Supplier: Cytiva

Trypan Blue solution, 0,4%, is routinely used as a cell stain to assess cell viability using the dye exclusion test.

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Acid red 27 ≥90.0% (by UV method)

Supplier: TCI America

CAS Number: 915-67-3
MDL Number: MFCD00004076
Molecular Formula: C20H14N2O10S3
Molecular Weight: 604.46
Purity/Analysis Method: >90.0% (E)
Form: Crystal
Melting point (°C): 220
Lambda max.: 521 nm (H2O)

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Trypan blue solution 0,4% (w/v) in PBS stain for histology pH 7.5 ±0.5, Corning®

Supplier: Corning

Trypan Blue is the most common stain used in cell count and viability assays.

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Naphthalene black 10B (naphthol blue black, acid black 1) ≥97.0% (by HPLC)

Supplier: TCI America

CAS Number: 1064-48-8
MDL Number: MFCD00004017
Molecular Formula: C22H16N6O9S2
Molecular Weight: 616.49
Purity/Analysis Method: >97.0% (HPLC)
Form: Crystal
Lambda max.: 618 nm (H2O)

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Dimethylsulfonazo III

Supplier: TCI America

[Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
CAS Number: 14979-11-4
MDL Number: MFCD00151118
Molecular Formula: C24H20N4O14S4
Molecular Weight: 716.68
Form: Crystal
Color: Deep Yellow Red

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

Supplier: VWR International

Made with deionized water.

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EDTA disodium salt dihydrate 99.0-101.0% ACS, VWR Chemicals BDH®

Supplier: VWR International

Powder.

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Nitrazine yellow

Supplier: Thermo Scientific Chemicals

pH indicator

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4-Amino-4'-nitrostilbene-2,2'-disulfonic acid tech. 80%, tech.

Supplier: Thermo Scientific Chemicals

4-Amino-4'-nitrostilbene-2,2'-disulfonic acid tech. 80%, tech.

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EDTA disodium salt dihydrate solution 0.25 M, Reagent Grade, VWR Chemicals BDH®

Supplier: VWR International

Suitable as a titrant. Made with deionized water.

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EDTA disodium salt 0.100 M (0.200 N) in aqueous solution, VWR Chemicals BDH®

Supplier: VWR International

Suitable as a titrant. Made with deionized water.

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Hydroxynaphthol blue indicator for metal titration, Supelco®

Supplier: MilliporeSigma

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Sulfonazo III sodium salt ≥96%

Supplier: Thermo Scientific Chemicals

Spectrophotometric reagent for alkaline earth metals and indicator for sulfate titrations

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Tris(bathophenanthrolinedisulfonate)ruthenium(II) sodium salt fluorescent dye, for histology

Supplier: Biotium

RuBPS (Ruthenium(tris(bathophenanthrolinedisulfonate), tetrasodium salt) is a negatively-charged water-soluble luminescent ruthenium complex. The complex can be efficiently excited by either UV light or visible light in the wavelength range from 400 nm to 500 nm with bright red emission centered around 605 nm.