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82819-71-4

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82819-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82819-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,1 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82819-71:
(7*8)+(6*2)+(5*8)+(4*1)+(3*9)+(2*7)+(1*1)=154
154 % 10 = 4
So 82819-71-4 is a valid CAS Registry Number.

82819-71-4Relevant articles and documents

REACTION OF PHENOL WITH DIETHYLCARBAMOYL CHLORIDE IN THE PRESENCE OF LEWIS ACID

Isakova, A. P.,Naumov, Yu. A.,Nikeryasova, S. V.,Stepanova, A. A.

, p. 1115 - 1119 (2007/10/02)

In the presence of either SnCl4 or AlCl3, phenol reacts with diethylcarbamoyl chloride to give phenyl N,N-diethylcarbamate, which undergoes the Fries rearrangement at 170-180 deg C and is capable of being acylated by diethylcarbamoyl chloride in the para position.

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