Ponceau S
丽春红S
CAS 6226-79-5 CTH10163
Ponceau S is an anionic azo dye that binds rapidly and reversibly to positively charged amino groups and nonpolar regions of proteins. It is commonly used for total protein staining of nitrocellulose or PVDF membranes after Western blot transfer (typically 0.1% in 5% acetic acid) and is removed by water washing.
Product information
- Chinese name
- 丽春红S
- English name
- Ponceau S
- CAS
- 6226-79-5
- Cat. No.
- CTH10163
- Category
- Viability Assay & Staining
- Formula
- C22H12N4Na4O13S4
- Molecular weight
- 760.55
- Appearance
- Red to reddish-brown powder
- Solubility
- Freely soluble in water
- Storage
- Room temperature, sealed and dry
Typical reference values; the batch COA / SDS governs.
Pack sizes and catalogue numbers
CTH10163-100G
Prices on request; lead time confirmed on the quotation.
FAQ
What is the CAS number of Ponceau S?
The CAS number of Ponceau S (丽春红S) is 6226-79-5; Catch-Chem catalogue number CTH10163.
What pack sizes and lead times are available for Ponceau S?
Ponceau S (Cat. No. CTH10163) comes in 100 g; lead time: 2 weeks, confirmed on the quotation.
How should Ponceau S be stored?
Recommended storage for Ponceau S (CTH10163): Room temperature, sealed and dry. The batch COA / SDS governs.
What is Ponceau S used for?
Ponceau S (CTH10163) is listed under Viability Assay & Staining. Typical uses: Western blot, Membrane staining, Transfer check. For research or industrial non-medical use only.
Where can I buy Ponceau S?
Request a quote for Ponceau S from Catch-Chem (Yantai, China): tel +86-192-9602-6528, email Ethan.sheng@catchchem.com, quoting catalogue number CTH10163.
Related products
- MTT298-93-1
- Trypan Blue, 0.4% Solution in PBS
- Fast Blue B salt14263-94-6
- ABTS solution
- Fluorescent Brightener 284404-43-7
- Nile Red7385-67-3
- Propidium Iodide25535-16-4
- 3,3',5,5'-Tetramethylbenzidine (TMB)54827-17-7
For research or industrial use only. Not for human or animal diagnosis or treatment, and not for drug or food use. Grade, pack size and lead time follow the supplier batch COA / SDS. Figures on this site are general industry references, not a factory specification.