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1426580-91-7

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1426580-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1426580-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,5,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1426580-91:
(9*1)+(8*4)+(7*2)+(6*6)+(5*5)+(4*8)+(3*0)+(2*9)+(1*1)=167
167 % 10 = 7
So 1426580-91-7 is a valid CAS Registry Number.

1426580-91-7Downstream Products

1426580-91-7Relevant articles and documents

Total synthesis of acerogenins E, G and K, and centrolobol

Ogura, Tetsuhiro,Usuki, Toyonobu

, p. 2807 - 2815 (2013)

The first total synthesis of the diarylheptanoid acerogenins E and K, isolated from Acer nikoense MAXIM., is described. Formation of the 13-membered m,m-cyclophane skeleton was successfully achieved on the basis of a domino process involving a Miyaura arylborylation-intramolecular Suzuki reaction. The cyclization precursor was prepared via a Wittig reaction and Claisen-Schmidt condensation, which proceeded in moderate yields. The total synthesis of acerogenin G and centrolobol was also achieved from a common synthetic intermediate.

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