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111191-59-4

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111191-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111191-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,9 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111191-59:
(8*1)+(7*1)+(6*1)+(5*1)+(4*9)+(3*1)+(2*5)+(1*9)=84
84 % 10 = 4
So 111191-59-4 is a valid CAS Registry Number.

111191-59-4Relevant articles and documents

RADICAL CYCLIZATION TO FLUORINATED DOUBLE BONDS: 5-EXO RING CLOSURE OF BROMOACETALS DERIVED FROM FLUOROALLYL ALCOHOLS

Morikawa, Tsutomu,Nishiwaki, Tohru,Iitaka, Yoichi,Kobayashi, Yoshiro

, p. 671 - 674 (1987)

A radical cyclized to the fluorinated double bond in selective 5-exo mode to afford tetrahydrofuran derivates, and subsequent oxidation provided means for the syntheses of fluorinated γ-butyrolactones and butenolide.

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