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443308-53-0

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443308-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443308-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,3,0 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 443308-53:
(8*4)+(7*4)+(6*3)+(5*3)+(4*0)+(3*8)+(2*5)+(1*3)=130
130 % 10 = 0
So 443308-53-0 is a valid CAS Registry Number.

443308-53-0Relevant articles and documents

Ring-chain tautomerism and other versatile behaviour of 1,4-diimino- and 1,2-phenylene derivatives of some C-substituted serinols

Maiereanu, Carmen,Darabantu, Mircea,Plé, Gérard,Berghian, Camelia,Condamine, Eric,Ramondenc, Yvan,Silaghi-Dumitrescu, Ion,Mager, Sorin

, p. 2681 - 2693 (2007/10/03)

The behaviour of the title compounds, obtained from terephthaldicarboxaldehyde or 1,2-phthaldicarboxaldehyde and certain (non)chiral C-substituted serinols is discussed in terms of ring (chain)-chain (ring) tautomerism (1,4-phenylene derivatives) or formal intramolecular redox isomerisation (1,2-derivatives).

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