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982-46-7

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982-46-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 982-46-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,8 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 982-46:
(5*9)+(4*8)+(3*2)+(2*4)+(1*6)=97
97 % 10 = 7
So 982-46-7 is a valid CAS Registry Number.

982-46-7Downstream Products

982-46-7Relevant articles and documents

Cu(I)-catalyzed coupling of diaryldiazomethanes with terminal alkynes: An efficient synthesis of tri-aryl-substituted allenes

Wu, Chenggui,Hu, Fangdong,Liu, Zhenxing,Deng, Guisheng,Ye, Fei,Zhang, Yan,Wang, Jianbo

, p. 9196 - 9201 (2015/11/27)

A highly efficient method for the synthesis of tri-aryl-substituted allenes has been developed through Cu(I)-catalyzed coupling of diaryldiazomethanes with terminal alkynes. The reaction is under mild conditions and uses simple and inexpensive CuI as the catalyst. Mechanistically, the reaction follows a pathway involving Cu(I) carbene migratory insertion.

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