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1372610-99-5

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1372610-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1372610-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,6,1 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1372610-99:
(9*1)+(8*3)+(7*7)+(6*2)+(5*6)+(4*1)+(3*0)+(2*9)+(1*9)=155
155 % 10 = 5
So 1372610-99-5 is a valid CAS Registry Number.

1372610-99-5Downstream Products

1372610-99-5Relevant articles and documents

Tandem reactions leading to benzo[c]chromen-6-ones and 3-substituted isocoumarins

Fan, Xuesen,He, Yan,Cui, Liangyan,Guo, Shenghai,Wang, Jianji,Zhang, Xinying

, p. 673 - 677 (2012/03/10)

A simple and convenient protocol for the synthesis of benzo[c]chromen-6- ones and 3-substituted isocoumarins through a CuI-catalyzed tandem reaction of 2-bromobenzoates withcyclohexane-1,3-diones or acyclic 1,3-diones is developed. This strategy can also be extended to the one-pot synthesis of isoquinolin-1(2H)-one and 3,4-dihydrophenanthridine-1,6(2H,5H)-dione. A simple and convenient protocol for the synthesis of benzo[c]chromen-6-ones and 3-substituted isocoumarins through a CuI-catalyzed tandem reaction of 2-bromobenzoates with cyclohexane-1,3-dione or acyclic 1,3-dione has been developed. This strategy can also be extended to the one-pot synthesis of isoquionlin-1(2H)-one and 3,4-dihydrophenanthridine-1,6-(2H,5H)-dione. Copyright

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