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134283-64-0

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134283-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134283-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,8 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134283-64:
(8*1)+(7*3)+(6*4)+(5*2)+(4*8)+(3*3)+(2*6)+(1*4)=120
120 % 10 = 0
So 134283-64-0 is a valid CAS Registry Number.

134283-64-0Downstream Products

134283-64-0Relevant articles and documents

Copper-catalyzed oxidative methylation of sulfonamides by dicumyl peroxide

Che, Shiying,Zhu, Qiao,Luo, Zhenghong,Lian, Yan,Zhao, Zijian

, p. 935 - 942 (2021/01/05)

A novel and facile copper-catalyzed methylation of sulfonamides was herein demonstrated. The practical transformation took place readily under the oxidative conditions, and N-methyl amides (23 examples) were successfully furnished in high efficiency (up to 90% yields). Dicumyl peroxide was considered to act not only as the oxidant in the system, but also methyl donor for the methylation protocol.

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