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17270-09-6

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17270-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17270-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,7 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17270-09:
(7*1)+(6*7)+(5*2)+(4*7)+(3*0)+(2*0)+(1*9)=96
96 % 10 = 6
So 17270-09-6 is a valid CAS Registry Number.

17270-09-6Relevant articles and documents

Lewis Acid Mediated Claisen-Type Rearrangement of Aryl Dienyl Ethers

Maruyama, Kazuhiro,Nagai, Naoshi,Naruta, Yoshinori

, p. 5083 - 5092 (2007/10/02)

Rearrangement of aryl pentadienyl ethers in the presence of BF3*OEt2 affords pentadienyl phenols in good yields without formation of the corresponding rearranged products.The mechanism of this rearrangement was studied by deuterium labeling and cross-coupling reactions.The scope and limitations of the rearrangement are discussed.

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