Date published: 2026-4-24

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Para Methyl Red (CAS 6268-49-1)

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Alternate Names:
p-Methyl Red; 4-Dimethylaminoazobenzene-4′-carboxylic Acid
Application:
Para Methyl Red is a fluorescent dye
CAS Number:
6268-49-1
Purity:
≥97%
Molecular Weight:
269.30
Molecular Formula:
C15H15N3O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Para Methyl Red is an azo dye that has been widely studied for its unique chemical, biochemical, and physiological properties. Its utilization encompasses acting as a fluorescent dye in various studies, including fluorescence microscopy, fluorescence spectroscopy, and fluorescence imaging. Furthermore, it has been used as a chromogenic reagent in explorations delving into the structure and reactivity of azo dyes. In addition, Para Methyl Red has been enlisted as a chromogenic substrate within enzyme-linked immunosorbent assays (ELISAs) to identify proteins and other biomolecules.


Para Methyl Red (CAS 6268-49-1) References

  1. Crystallization behavior of asymmetric PLLA/PDLA blends.  |  Sun, J., et al. 2011. J Phys Chem B. 115: 2864-9. PMID: 21384937
  2. Charge Transfer Driven Structural Relaxation in a Push-Pull Azobenzene Dye-Semiconductor Complex.  |  Torres, A., et al. 2018. J Phys Chem Lett. 9: 5926-5933. PMID: 30257563
  3. Carbon nanotubes mediated chemical and biological decolorization of azo dye: Understanding the structure-activity relationship.  |  Zhao, HQ., et al. 2022. Environ Res. 210: 112897. PMID: 35151661
  4. Active intestinal transport of methyl red isomers.  |  Fisher, RB. 1980. Q J Exp Physiol Cogn Med Sci. 65: 117-34. PMID: 6902961

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Para Methyl Red, 5 g

sc-362358
5 g
$197.00

Para Methyl Red, 25 g

sc-362358A
25 g
$588.00