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5720-71-8

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5720-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5720-71-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5720-71:
(6*5)+(5*7)+(4*2)+(3*0)+(2*7)+(1*1)=88
88 % 10 = 8
So 5720-71-8 is a valid CAS Registry Number.

5720-71-8Downstream Products

5720-71-8Relevant articles and documents

Total Synthesis of the Labdane Diterpenes Galanal A and B from Geraniol

Lin, Shih-Che,Chein, Rong-Jie

, p. 1575 - 1583 (2017/02/10)

The first total synthesis of galanal A and B has been achieved from naturally occurring geraniol. Key steps in this synthesis are the use of a Lewis acid assisted chiral Br?nsted acid (chiral LBA) mediated cationic polyene cyclization and a titanocene-mediated radical cyclization for the asymmetric assembly of the "AB" ring and the construction of the all-carbon quaternary center at the junction of the "BC" ring, respectively.

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