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1632028-77-3

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1632028-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1632028-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,2,0,2 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1632028-77:
(9*1)+(8*6)+(7*3)+(6*2)+(5*0)+(4*2)+(3*8)+(2*7)+(1*7)=143
143 % 10 = 3
So 1632028-77-3 is a valid CAS Registry Number.

1632028-77-3Downstream Products

1632028-77-3Relevant articles and documents

An efficient procedure for the synthesis of phenacyl and benzyl azolium salts using fluorous alcohols

Khalafi-Nezhad, Ali,Panahi, Farhad,Yousefi, Reza,Gholamalipour, Yasaman,Sarrafi, Sina

, p. 1189 - 1196 (2014)

An efficient procedure for the synthesis of phenacyl and benzyl azolium salts in 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol as fluorous alcohols have been developed. This synthetic methodology has some advantages with the respect to yield, atom efficiency, solvent and reagents used and wastes generated when compared to the currently in use methods. Using this procedure, a range of phenacyl and benzyl azolium salts can be synthesized with good to excellent yields. The pure salts are separated from the reaction mixture by simple filtration and washing with dry ether.

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