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16574-51-9

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16574-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16574-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,7 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16574-51:
(7*1)+(6*6)+(5*5)+(4*7)+(3*4)+(2*5)+(1*1)=119
119 % 10 = 9
So 16574-51-9 is a valid CAS Registry Number.

16574-51-9Relevant articles and documents

A novel Br?nsted acid catalyst for Friedel-Crafts acylation

Posternak, Anna G.,Garlyauskayte, Romute Yu.,Yagupolskii, Lev M.

supporting information; body text, p. 446 - 447 (2009/05/27)

Bis(trifluoroalkylsulfonylimino)trifluoromethanesulfonic acid has demonstrated remarkable catalytic ability in the electrophilic acylation of aromatic substrates. Various perfluoroalkyl substituted aroyl chlorides are employed in Friedel-Crafts acylation typically using 1 mol % of catalyst. Crown Copyright

C-F bond activation by aryl carbocations: Conclusive intramolecular fluoride shifts between carbon atoms in solution and the first examples of intermolecular fluoride ion abstractions

Ferraris,Cox,Anand,Lectka

, p. 4319 - 4320 (2007/10/03)

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