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612096-61-4

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612096-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 612096-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,0,9 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 612096-61:
(8*6)+(7*1)+(6*2)+(5*0)+(4*9)+(3*6)+(2*6)+(1*1)=134
134 % 10 = 4
So 612096-61-4 is a valid CAS Registry Number.

612096-61-4Relevant articles and documents

Synthesis of symmetrical tetraaryltetranaphtho[2,3]porphyrins

Finikova, Olga S.,Aleshchenkov, Sergei E.,Brinas, Raymond P.,Cheprakov, Andrei V.,Carroll, Patrick J.,Vinogradov, Sergei A.

, p. 4617 - 4628 (2007/10/03)

A new method of synthesis of meso-tetraaryltetranaphtho[2,3]porphyrins (Ar4TNP) has been developed. Ar4TNPs with peripheral functional groups are obtained by oxidative aromatization of meso-tetraarylporphyrins in which pyrrole units

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