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1649471-86-2

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1649471-86-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1649471-86-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,9,4,7 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1649471-86:
(9*1)+(8*6)+(7*4)+(6*9)+(5*4)+(4*7)+(3*1)+(2*8)+(1*6)=212
212 % 10 = 2
So 1649471-86-2 is a valid CAS Registry Number.

1649471-86-2Relevant articles and documents

Synthesis and optical properties of new coumarin derivatives based on 2-(2-chlorobenzylidene)malononitrile

Bardasov,Malyshkina,Alekseeva, A. Yu.,Ershov,Timrukova,Grigor’eva

, p. 47 - 50 (2017)

A procedure has been developed for the conversion of the CS gas [2-(2-chlorobenzylidene)-malononitrile] to new 3-cyanocoumarin derivatives, 4-(2-chlorophenyl)-2-oxo-2H-chromene-3-carbonitriles. Study of the optical properties of the synthesized compounds

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