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54980-90-4

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54980-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54980-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,8 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54980-90:
(7*5)+(6*4)+(5*9)+(4*8)+(3*0)+(2*9)+(1*0)=154
154 % 10 = 4
So 54980-90-4 is a valid CAS Registry Number.

54980-90-4Downstream Products

54980-90-4Relevant articles and documents

Perfluorobutyl iodide-assisted direct cyanomethylation of azoles and phenols with acetonitrile

Zhang, Juan,Wu, Wei,Ji, Xinfei,Cao, Song

, p. 20562 - 20565 (2015)

A perfluorobutyl iodide-assisted transition-metal-free cyanomethylation of azoles and phenols with acetonitrile in the presence of NaH has been developed. The reaction proceeded smoothly under mild reaction conditions to give the cyanomethylated products in moderate to high yields. A mechanism involving the cyanomethyl radical through C-H bond cleavage in acetonitrile was proposed. This journal is

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