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865759-99-5

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865759-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 865759-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,7,5 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 865759-99:
(8*8)+(7*6)+(6*5)+(5*7)+(4*5)+(3*9)+(2*9)+(1*9)=245
245 % 10 = 5
So 865759-99-5 is a valid CAS Registry Number.

865759-99-5Downstream Products

865759-99-5Relevant articles and documents

A new synthesis of benzofurans from phenols via claisen rearrangement and ring-closing metathesis

Tsai, Tzu-Wei,Wang, Eng-Chi,Li, Sie-Rong,Chen, Yung-Hua,Lin, Yu-Li,Wang, You-Feng,Huang, Keng-Shiang

, p. 1307 - 1318 (2007/10/03)

Based on Claisen rearrangement, the double bond isomerization of O-allyl function together with the formation of O-vinyl function in one pot, and ring-closing metathesis (RCM), various phenols were transformed into various benzofurans in good yields.

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