Date published: 2025-10-21

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Azure A (CAS 531-53-3)

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Alternate Names:
Giemsa stain
Application:
Azure A is an important nuclear staining component of polychrome methylene blue
CAS Number:
531-53-3
Molecular Weight:
291.80
Molecular Formula:
C14H14ClN3S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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An important nuclear staining component of polychrome methylene blue. For use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears. Color Index # 52005.


Azure A (CAS 531-53-3) References

  1. Analysis and testing of biological stains--the Biological Stain Commission Procedures.  |  Penney, DP., et al. 2002. Biotech Histochem. 77: 237-75. PMID: 12564600
  2. Grafted Azure A modified electrodes as disposable β-nicotinamide adenine dinucleotide sensors.  |  Revenga-Parra, M., et al. 2012. Anal Chim Acta. 747: 84-91. PMID: 22986139
  3. Photophysical and calorimetric investigation on the structural reorganization of poly(A) by phenothiazinium dyes azure A and azure B.  |  Paul, P. and Kumar, GS. 2014. Photochem Photobiol Sci. 13: 1192-202. PMID: 24953877
  4. Non-enzymatic detection of glucose using poly(azure A)-nickel modified glassy carbon electrode.  |  Liu, T., et al. 2016. Talanta. 156-157: 134-140. PMID: 27260445
  5. Exploring the interaction of phenothiazinium dyes methylene blue, new methylene blue, azure A and azure B with tRNAPhe: spectroscopic, thermodynamic, voltammetric and molecular modeling approach.  |  Paul, P., et al. 2017. Phys Chem Chem Phys. 19: 6636-6653. PMID: 28210726
  6. 'Tau Protein Targeting Via Radioiodinated Azure A For Brain Theranostics: Radiolabeling, Molecular Docking, in vitro And in vivo Biological Evaluation'.  |  Abdelaziz, G., et al. 2020. J Labelled Comp Radiopharm. 63: 33-42. PMID: 31785209
  7. Voltammetric pH Measurements Using Azure A-Containing Layer-by-Layer Film Immobilized Electrodes.  |  Watanabe, K., et al. 2020. Polymers (Basel). 12: PMID: 33053708
  8. Electropolymerization of Azure A and pH Sensing Using Poly(azure A)-modified Electrodes.  |  Sugiyama, K., et al. 2021. Anal Sci. 37: 893-896. PMID: 33132234
  9. The photosensitiser azure A disrupts mitochondrial bioenergetics through intrinsic and photodynamic effects.  |  de Souza, BTL., et al. 2021. Toxicology. 455: 152766. PMID: 33775737
  10. Electrochemical DNA Sensor Based on Poly(Azure A) Obtained from the Buffer Saturated with Chloroform.  |  Porfireva, A., et al. 2021. Sensors (Basel). 21: PMID: 33922359

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Azure A, 25 g

sc-203729
25 g
$185.00