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1586809-85-9

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1586809-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1586809-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,6,8,0 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1586809-85:
(9*1)+(8*5)+(7*8)+(6*6)+(5*8)+(4*0)+(3*9)+(2*8)+(1*5)=229
229 % 10 = 9
So 1586809-85-9 is a valid CAS Registry Number.

1586809-85-9Relevant articles and documents

Tetramic acids and indole derivatives from amino acid β-keto esters. Fine-tuning the conditions of the key Cu-catalyzed reaction

García-Aranda, M. Isabel,García-López, M. Teresa,Jesús Pérez De Vega,González-Mu?iz, Rosario

, p. 2142 - 2145 (2015/03/18)

1,3,5-Trisubstituted tetramic acids and 2,3-disubstituted indole derivatives were prepared from β-keto esters derived from amino acids by their reaction with iodophenyl-2-trifluoroacetylamine under Cu-catalysis. Both heterocyclic systems were generated fr

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