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203579-45-7

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203579-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203579-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,5,7 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 203579-45:
(8*2)+(7*0)+(6*3)+(5*5)+(4*7)+(3*9)+(2*4)+(1*5)=127
127 % 10 = 7
So 203579-45-7 is a valid CAS Registry Number.

203579-45-7Relevant articles and documents

Multistep Reversible Redox Systems, LXIII. 2,5-Disubstituted N,N'-Dicyanoquinone Diimines (DCNQIs) - Syntheses, and Redox Properties

Huenig, Siegfried,Bau, Robert,Kemmer, Martina,Meixner, Hubert,Metzenthin, Tobias,et al.

, p. 335 - 348 (2007/10/03)

Quinones 1a-q and DCNQIs 2a-g have been synthesized in order to investigate substituent effects.It was necessary to employ novel synthetic routes for the introduction of iodine into 1f (7), the trifluoromethyl group into 1g-i, deuterium into 1m-p, and esp

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