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27917-03-9

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27917-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27917-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,1 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27917-03:
(7*2)+(6*7)+(5*9)+(4*1)+(3*7)+(2*0)+(1*3)=129
129 % 10 = 9
So 27917-03-9 is a valid CAS Registry Number.

27917-03-9Downstream Products

27917-03-9Relevant articles and documents

1-NAPHTHALENEDIAZONIUM TETRACHLOROCUPRATE - A NEW ARYLATING REAGENT

Obushak, N. D.,Ganushchak, N. I.,Lyakhovich, M. B.

, p. 1543 - 1547 (2007/10/02)

The conditions were worked out for the catalytic chloronaphthylation of unsaturated compounds by 1-naphthalenediazonium chloride in the Meerwein reaction.The intermediate in this process is 1-naphthalenediazonium tetrachlorocuprate, which is an effective arylating agent.The reaction of this complex salt with unsaturated compounds gave the same chloronaphthylation products but with higher yields.

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