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1097129-20-8

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1097129-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1097129-20-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,1,2 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1097129-20:
(9*1)+(8*0)+(7*9)+(6*7)+(5*1)+(4*2)+(3*9)+(2*2)+(1*0)=158
158 % 10 = 8
So 1097129-20-8 is a valid CAS Registry Number.

1097129-20-8Downstream Products

1097129-20-8Relevant articles and documents

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

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

, p. 446 - 447 (2009)

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

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