Date published: 2026-3-19

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Demeclocycline (CAS 127-33-3)

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Alternate Names:
6-Demethylchlortetracycline
Application:
Demeclocycline is a broad specrum antibacterial and an antiprotozoan chlortetracycline analogue
CAS Number:
127-33-3
Molecular Weight:
464.85
Molecular Formula:
C21H21ClN2O8
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Demeclocycline (Declomycin), a semi-synthetic derivative of tetracycline which makes it useful as a reference compound in analytical chemistry. In research laboratories to develop and validate analytical methods for detecting tetracyclines in biological and environmental samples. As a compound with fluorescent properties, demeclocycline can be applied in fluorescence microscopy and other imaging techniques that investigate the presence and concentration of tetracycline-like substances. In the field of biochemistry, it is utilized to study the binding affinity of tetracycline compounds to various proteins and biomolecules.


Demeclocycline (CAS 127-33-3) References

  1. Improvements in europium sensitized fluorimetric determination of demeclocycline and methacycline.  |  Mahedero, MC., et al. 2005. J Pharm Biomed Anal. 37: 1101-4. PMID: 15862691
  2. Chlortetracycline and demeclocycline inhibit calpains and protect mouse neurons against glutamate toxicity and cerebral ischemia.  |  Jiang, SX., et al. 2005. J Biol Chem. 280: 33811-8. PMID: 16091365
  3. Preparation and characterization of demeclocycline liposomal formulations and assessment of their intraocular pressure-lowering effects.  |  Afouna, MI., et al. 2005. Cutan Ocul Toxicol. 24: 111-24. PMID: 17040889
  4. Preparation of aqueous two-phase systems composed of two pH-response polymers and liquid-liquid extraction of demeclocycline.  |  Yan, B. and Cao, X. 2012. J Chromatogr A. 1245: 39-45. PMID: 22658298
  5. Development and validation of a reversed-phase liquid chromatographic method for analysis of demeclocycline and related impurities.  |  Kahsay, G., et al. 2012. J Sep Sci. 35: 1310-8. PMID: 22733511
  6. Comparative evaluation of methylene blue and demeclocycline for enhancing optical contrast of gliomas in optical images.  |  Wirth, D., et al. 2014. J Biomed Opt. 19: 90504. PMID: 25239672
  7. Demeclocycline as a contrast agent for detecting brain neoplasms using confocal microscopy.  |  Wirth, D., et al. 2015. Phys Med Biol. 60: 3003-11. PMID: 25790138
  8. Tetracyclines function as dual-action light-activated antibiotics.  |  He, Y., et al. 2018. PLoS One. 13: e0196485. PMID: 29742128
  9. Demeclocycline Reduces the Growth of Human Brain Tumor-Initiating Cells: Direct Activity and Through Monocytes.  |  Sarkar, S., et al. 2020. Front Immunol. 11: 272. PMID: 32153581
  10. Metabolic engineering of a methyltransferase for production of drug precursors demecycline and demeclocycline in Streptomyces aureofaciens.  |  Yang, W., et al. 2020. Synth Syst Biotechnol. 5: 121-130. PMID: 32637665
  11. Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media.  |  Allahverdiyeva, S., et al. 2021. Talanta. 223: 121695. PMID: 33303147
  12. Tetracyclines Enhance Anti-tumor T-Cell Responses Induced by a Bispecific T-Cell Engager.  |  Noguchi, Y., et al. 2022. Biol Pharm Bull. 45: 429-437. PMID: 35370267
  13. Evaluation of the diffusion of triamcinolone and demeclocycline through the dentinal tubules and apical foramen: A mass spectrometry study.  |  Wong, M., et al. 2022. J Conserv Dent. 25: 420-425. PMID: 36187869
  14. Selective Antibody-Free Sensing Membranes for Picogram Tetracycline Detection.  |  Ben Halima, H., et al. 2022. Biosensors (Basel). 13: PMID: 36671906
  15. Rescue of Dopamine Neurons from Iron-Dependent Ferroptosis by Doxycycline and Demeclocycline and Their Non-Antibiotic Derivatives.  |  Tourville, A., et al. 2023. Antioxidants (Basel). 12: PMID: 36978822

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Demeclocycline, 5 mg

sc-391514
5 mg
$121.00