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P7170

Ponceau S solution

BioReagent, 0.1 % (w/v) in 5% acetic acid

Synonym(s):

Ponceau S

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About This Item

Empirical Formula (Hill Notation):
C22H12N4Na4O13S4
CAS Number:
6226-79-5
Molecular Weight:
760.57
MDL number:
MFCD00003892
UNSPSC Code:
12171500
PubChem Substance ID:
24898827
NACRES:
NA.47

Key Documents

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Product Name

Ponceau S solution, BioReagent, suitable (for use in cellulose acetate electrophoresis), 0.1 % (w/v) in 5% acetic acid

description

for protein analysis

Quality Level

200

product line

BioReagent

form

liquid

concentration

0.1 % (w/v) in 5% acetic acid

technique(s)

western blot: suitable

density

1.01 g/cm3 at 20 °C

suitability

suitable (for use in cellulose acetate electrophoresis)
suitable for electrophoresis

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2S([O-])(=O)=O)\N=N\c3ccc(cc3)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;

InChI key

KQHKSGRIBYJYFX-WNDMICSESA-J

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General description

Ponceau S is the sodium salt of a diazo dye. Ponceau S solution is a suitable reagent for use in electrophoresis studies. The Ponceau S stain comes ready-to-use and is designed for rapid (5 min) staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. It may be employed as stain for the purified fibrinolytic enzyme (CK) for the analysis of N-terminal amino acid sequence of the first 14 residues of CK by a protein sequencer. Ponceau S staining on nitrocellulose and PVDF is reversible by washing the stained membrane with 0.1M NaOH for 1 minute. The stained and destained membrane can then be immunologically detected (Western blotting). A product information sheet is supplied which includes the staining procedure for cellulose acetate, nitrocellulose, and PVDF.

Application

Ponceau S solution has been used for membrane staining (Western blotting).

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000426978
0000426978
0000427010
0000427010
0000316702

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Articles

Protein Staining Reagents Selection Guide

Sigma offers EZBlue™ and ProteoSilver™ reagents for protein visualization, suitable for proteomics and traditional PAGE formats.

蛋白电泳染色剂选择指南

为满足蛋白分析的多样化需求，Sigma提供多种蛋白质可视化（染色）试剂。EZBlue™和ProteoSilver™专为蛋白质组学而设计，即使在传统的PAGE形式中依然表现出色。

Protocols

Western Blot Protocol - Immunoblotting or Western Blot

Western blot protocol details protein transfer from gels to nitrocellulose, crucial for immunoblotting procedures in research.

Western Blotting实验方法 - 免疫印迹或Western Blot实验方法

带有用于不同印迹过程工作流程步骤的Western blot实验方法，描述了蛋白从SDS聚丙烯酰胺凝胶(SDS-PAGE)到硝酸纤维素膜(NC膜)的电泳转移。也称为免疫印迹实验方法。

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