Date published: 2025-10-16

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4-Oxo-4H-9-thia-1,4a-diaza-fluorene-3-carboxylic acid (CAS 21786-97-0)

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CAS Number:
21786-97-0
Molecular Weight:
246.24
Molecular Formula:
C11H6N2O3S
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-epi-Chlortetracycline Hydrochloride is a chemically modified tetracycline compound that is used as an analytical reference standard in the study of tetracycline antibiotics. In research, it is particularly useful for understanding the chemical behavior of tetracyclines under various conditions, as the epimerization at the 4 position often occurs during the manufacture, storage, or metabolism of tetracycline antibiotics. Studies involving 4-epi-Chlortetracycline Hydrochloride are in the development of analytical methods to detect, quantify, and distinguish between tetracycline compounds in environmental samples, agricultural products, and foodstuffs. It also helps in the exploration of photodegradation pathways and stability profiles of tetracyclines.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Oxo-4H-9-thia-1,4a-diaza-fluorene-3-carboxylic acid, 500 mg

sc-316988
500 mg
$285.00