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99272-94-3

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99272-94-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99272-94-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,7 and 2 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99272-94:
(7*9)+(6*9)+(5*2)+(4*7)+(3*2)+(2*9)+(1*4)=183
183 % 10 = 3
So 99272-94-3 is a valid CAS Registry Number.

99272-94-3Relevant articles and documents

Controllable synthesis of 2- And 3-aryl-benzomorpholines from 2-aminophenols and 4-vinylphenols

Dong, Kui,Jin, Xiao-Ling,Chen, Shihao,Wu, Li-Zhu,Liu, Qiang

supporting information, p. 7941 - 7944 (2020/08/14)

We present herein a method for the controllable synthesis of 3-aryl-benzomorpholine and 2-aryl-benzomorpholine cycloadducts via cross-coupling/annulation between electron-rich 2-aminophenols and 4-vinylphenols. Molecular oxygen was successfully used in the reaction as the terminal oxidant and the complete inversion of chemoselectivity was achieved by the adjustment of the solvents and bases at room temperature.

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