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2,3,5,6-Tetrafluorobenzenesulfonamide is a chemical compound with the molecular formula C6H2F4NO2S. It is a derivative of benzenesulfonamide, where four hydrogen atoms on the benzene ring are replaced by fluorine atoms. 2,3,5,6-tetrafluorobenzenesulfonamide is characterized by its fluorinated aromatic structure, which can contribute to unique chemical and physical properties. It is used in various applications, including as an intermediate in the synthesis of pharmaceuticals and agrochemicals, due to its potential to enhance the lipophilicity and metabolic stability of the final products. The presence of fluorine atoms can significantly alter the reactivity and selectivity of the molecule, making it a valuable building block in organic synthesis.

651-81-0

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651-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 651-81-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 651-81:
(5*6)+(4*5)+(3*1)+(2*8)+(1*1)=70
70 % 10 = 0
So 651-81-0 is a valid CAS Registry Number.

651-81-0Relevant academic research and scientific papers

4-Substituted-2,3,5,6-tetrafluorobenzenesulfonamides as inhibitors of carbonic anhydrases I, II, VII, XII, and XIII

Dudutiene, Virginija,Zubriene, Asta,Smirnov, Alexey,Gylyte, Joana,Timm, David,Manakova, Elena,Gra?ulis, Saulius,Matulis, Daumantas

, p. 2093 - 2106 (2013)

A series of 4-substituted-2,3,5,6-tetrafluorobenezenesulfonamides were synthesized and their binding potencies as inhibitors of recombinant human carbonic anhydrase isozymes I, II, VII, XII, and XIII were determined by the thermal shift assay, isothermal

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