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351440-26-1

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351440-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 351440-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,1,4,4 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 351440-26:
(8*3)+(7*5)+(6*1)+(5*4)+(4*4)+(3*0)+(2*2)+(1*6)=111
111 % 10 = 1
So 351440-26-1 is a valid CAS Registry Number.

351440-26-1Relevant articles and documents

Cyclization Reactions of Hydrazones XXVII Synthesis and oxidative cyclization of some formazan-substituted quinoxaline-2-ones

Wiedermannova, Iveta,Slouka, Jan

, p. 55 - 60 (2001)

A series of 1,5-diaryl-3-formazylglyoxylic acids 1a-1f was prepared by azocoupling of diazonium salts with sodium pyruvate. These compounds gave the corresponding 3-(1,5-diaryl-3-formazyl)-1,2-dihydro-quinoxaline-2-ones 2a-2f by condensation with o-phenyl

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