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68204-27-3

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68204-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68204-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,0 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68204-27:
(7*6)+(6*8)+(5*2)+(4*0)+(3*4)+(2*2)+(1*7)=123
123 % 10 = 3
So 68204-27-3 is a valid CAS Registry Number.

68204-27-3Downstream Products

68204-27-3Relevant articles and documents

Synthesis of Allenylphosphonates through Cu(I)-Catalyzed Coupling of Terminal Alkynes with Diazophosphonates

Wu, Chenggui,Ye, Fei,Wu, Guojiao,Xu, Shuai,Deng, Guisheng,Zhang, Yan,Wang, Jianbo

, p. 751 - 760 (2016/02/27)

Through the Cu(I)-catalyzed coupling of diazophosphonates with terminal alkynes, an efficient method for the synthesis of allenylphosphonates has been developed. Simple and inexpensive CuI is used as the catalyst and the reaction is conducted under mild conditions.

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