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219897-62-8

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219897-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219897-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,8,9 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219897-62:
(8*2)+(7*1)+(6*9)+(5*8)+(4*9)+(3*7)+(2*6)+(1*2)=188
188 % 10 = 8
So 219897-62-8 is a valid CAS Registry Number.

219897-62-8Relevant articles and documents

Synthesis of 1-(α-Aminobenzyl)-2-naphthol derivatives, their structure in crystal and in solution

Metlushka,Sadkova,Shaimardanova,Tufatullin,Zheltukhin,Kataeva,Alfonsov

, p. 80 - 85 (2015/01/30)

The series of tautomeric 1,3-diarylnaphthoxazines (the Betti base precursors) was obtained by the interaction of 2-naphthols and 1,3,5-trisaryl-2,4-diazapenta-1,4-dienes. Their structure has been established in solid state and solution.

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