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64600-19-7

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64600-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64600-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,0 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 64600-19:
(7*6)+(6*4)+(5*6)+(4*0)+(3*0)+(2*1)+(1*9)=107
107 % 10 = 7
So 64600-19-7 is a valid CAS Registry Number.

64600-19-7Downstream Products

64600-19-7Relevant articles and documents

Metal-free regioselective hydrobromination of alkynes through CH/CBr activation

Chen, Xiuling,Chen, Tieqiao,Xiang, Yuqiang,Zhou, Yongbo,Han, Daoqing,Han, Li-Biao,Yin, Shuang-Feng

, p. 4572 - 4575 (2014)

A metal-free regioselective hydrobromination of alkynes has been developed to provide the Markovnikov-type vinyl bromides in good yields using dibromomethane/N,N-dimethylaniline as in-situ 'HBr' source. This protocol also represents an elegant example of the activation of sp2 CH and CBr bonds in one pot, in which 'HBr' is generated and transferred under mild metal-free conditions. D-incorporated experiments were employed to investigate the reaction mechanism and a plausible reaction path was proposed.

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