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1015782-62-3

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1015782-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1015782-62-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,5,7,8 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1015782-62:
(9*1)+(8*0)+(7*1)+(6*5)+(5*7)+(4*8)+(3*2)+(2*6)+(1*2)=133
133 % 10 = 3
So 1015782-62-3 is a valid CAS Registry Number.

1015782-62-3Relevant articles and documents

Synthesis of perfluoro[2.2]paracyclophane

Dolbier Jr., William R.,Xie, Puhui,Zhang, Lianhao,Xu, Wei,Chang, Ying,Abboud, Khalil A.

, p. 2469 - 2472 (2008)

(Chemical Equation Presented) A synthesis of perfluoro[2.2]paracyclophane has been sought ever since the partially fluorinated octafluoro[2.2]- paracyclophane (AF4) was prepared and its chemistry studied. This compound has now been prepared in 39% yield from the precursor, 1,4-bis(chlorodifluoromethyl) -2,3,5,6-tetrafluorobenzene by its reaction with Zn when heated in acetonitrile at 100°C. Two preparations of the precursor, first from 1,4-dicyano-2,3,5,6- tetrachlorobenzene and an improved method beginning from 1,2,4,5- tetrachlorobenzene, are also described as are key comparisons to our related synthesis of AF4.

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