Date published: 2026-4-27

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4-Cyanobenzohydrazide (CAS 43038-36-4)

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CAS Number:
43038-36-4
Molecular Weight:
161.16
Molecular Formula:
C8H7N3O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-Cyanobenzohydrazide (4-CBA) is an important reagent in organic synthesis, particularly in the preparation of substituted amines and heterocycles. It acts as a nucleophile, attacking the electrophilic carbon atom of an aryl halide. This reaction results in the formation of an intermediate hydrazone, which then undergoes a cyclization reaction to form the final product. 4-Cyanobenzohydrazide is also used as a fluorescent dye in biochemical and physiological studies, as a photolabile protecting group for peptides and proteins, and as a ligand for metal ions, such as copper and zinc, to form coordination complexes.


4-Cyanobenzohydrazide (CAS 43038-36-4) References

  1. Structural basis and SAR for G007-LK, a lead stage 1,2,4-triazole based specific tankyrase 1/2 inhibitor.  |  Voronkov, A., et al. 2013. J Med Chem. 56: 3012-23. PMID: 23473363
  2. Design, Synthesis, and Preclinical Characterization of the Selective Androgen Receptor Modulator (SARM) RAD140.  |  Miller, CP., et al. 2011. ACS Med Chem Lett. 2: 124-9. PMID: 24900290
  3. Synthesis, molecular docking study and in vitro thymidine phosphorylase inhibitory potential of oxadiazole derivatives.  |  Ullah, H., et al. 2018. Bioorg Chem. 78: 58-67. PMID: 29533215
  4. Novel Conjugated s-Tetrazine Derivatives Bearing a 4H-1,2,4-Triazole Scaffold: Synthesis and Luminescent Properties.  |  Maj, A., et al. 2022. Molecules. 27: PMID: 35056774
  5. Novel Inhibitors of Acetyl- and Butyrylcholinesterase Derived from Benzohydrazides: Synthesis, Evaluation and Docking Study.  |  Houngbedji, NH., et al. 2023. Pharmaceuticals (Basel). 16: PMID: 37259322

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Cyanobenzohydrazide, 500 mg

sc-316237
500 mg
$258.00