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Congo Red

(CAS: 573-58-0)

Suppliers of Congo Red

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AA Blocks LLC [email protected] +1 858-523-8231

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Alfa Chemistry [email protected] 1-201-478-8534 USA

Fax: 1-516-927-0118Purity: Dye content >85% Brand: Alfa Chemistry

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Price and Availability: USD72/500mg () USD108/1g ()

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MedChemexpress Co., Ltd. [email protected] 609-228-6898 USA

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Price and Availability: USD72/500mg () USD108/1g ()
Quality Control & MSDS Files: HNMR MSDS

MedKoo Biosciences, Inc. [email protected] 919-279-0682 USA

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Shanghai Haoyuan Chemexpress Co., Ltd. [email protected] +86 (21) 5187-0955 / +86 (21) 5895-5995 China

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Price and Availability: USD72/500mg () USD108/1g ()

Tocris Bioscience Inc. [email protected]; [email protected] +1 (636) 207-7651 USA

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Background Information of Congo Red

VGlut inhibitor; decreases synaptic transmission in the dentate gyrus. Also an amyloid fibril-binding dye; inhibits Fib-beta A neurotoxicity by inhibiting fibril formation or by binding to preformed fibrils. Also inhibits the pancreatic islet cell toxicity of diabetes-associated amylin. Excitation wavelength is 497 nm.

Solubility of Congo Red

Solubility Sources
DMSO:≥ 150 mg/mL; H<sub>2</sub>O: 4.16 mg/mL MedChemexpress Co., Ltd.
Soluble to 10 mM in water and to 10 mM in DMSO Tocris Bioscience Inc.

Storage Condition of Congo Red

Storage Condition Sources
Store at RT Tocris Bioscience Inc.

MSDS Information

MSDS Sources
MedChemexpress Co., Ltd.

Quality Control and Spectral Data

QC Reports Sources
[HNMR] MedChemexpress Co., Ltd.

Mechanism and Indications

Signaling Pathways Others
Target Others
Research Area

Clinical Information

Product Name Sponsor & Collaborators Indications Start Date End Date Phase
Congo Red - No Development Reported

Chemical Information

M.Wt Formula CAS No. Synonyms
696.66 C32H22N6Na2O6S2 573-58-0 C.I. 22120; Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate); sodium 3,3'-((1E,1'E)-[1,1'-biphenyl]-4,4'-diylbis(diazene-2,1-diyl))bis(4-aminonaphthalene-1-sulfonate)

Structure Information of Congo Red

Smiles NC1=C2C(C=CC=C2)=C(S(=O)([O-])=O)C=C1/N=N/C3=CC=C(C4=CC=C(/N=N/C5=CC(S(=O)([O-])=O)=C6C(C=CC=C6)=C5N)C=C4)C=C3.[Na+].[Na+]
InChI InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;

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Safety Data of Congo Red

Hazard Symbols:T Risk Statements:R45;R63 Safety Statements:S45;S53
Transport Information: HS Code: RTECS:QK1400000
WGK Germany:3

Chemical and Physical Properties

Appearance: Melting point:>360 °C(lit.)
Boiling point: Flash Point:
Water Solubility: soluble Solubility:DMSO:6.97mg/mL;10mM;water:6.97mg/mL;10mM;
Density: Merck:14,2498
BRN:3894858 Refractive Index:
Vapour: EINECS:209-358-4
Optical Rotation: alpha:


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