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122245-76-5

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122245-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122245-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,2,4 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 122245-76:
(8*1)+(7*2)+(6*2)+(5*2)+(4*4)+(3*5)+(2*7)+(1*6)=95
95 % 10 = 5
So 122245-76-5 is a valid CAS Registry Number.

122245-76-5Relevant articles and documents

Facile synthesis of substituted diaryl sulfones: Via a [3 + 3] benzannulation strategy

Tang, Xiang-Zheng,Tong, Lang,Liang, Hua-Ju,Liang, Jie,Zou, Yong,Zhang, Xue-Jing,Yan, Ming,Chan, Albert S. C.

supporting information, p. 3560 - 3563 (2018/05/26)

A base-mediated [3 + 3] benzannulation strategy for the conversion of 1,3-bis(sulfonyl)propenes and β,γ-unsaturated α-ketoesters to diaryl sulfones has been developed. This method provides facile, metal-free and efficient access to highly substituted diaryl sulfones in good to excellent yields. In addition, the sulfonyl group could be easily removed or converted to other functional groups via an organostannane intermediate.

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