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1432028-75-5

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1432028-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1432028-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,2,0,2 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1432028-75:
(9*1)+(8*4)+(7*3)+(6*2)+(5*0)+(4*2)+(3*8)+(2*7)+(1*5)=125
125 % 10 = 5
So 1432028-75-5 is a valid CAS Registry Number.

1432028-75-5Relevant articles and documents

Access to α,α-dihaloacetophenones through anodic C[dbnd]C bond cleavage in enaminones

Zhang, Zhenlei,Yang, Jiusi,Wu, Kairui,Yu, Renjie,Bu, Jiping,Huang, Zijun,Li, Shaoke,Ma, Xiantao

supporting information, (2021/12/20)

We have developed a method to synthesize α,α-dihaloketones under electrochemical conditions. In this reaction, the Cl- or Br- is oxidized to Cl2 or Br2 at the anode, which undergoes two-step addition reactions with the N,N-dimethyl enaminone, and finally breaks C[dbnd]C of the N,N-dimethyl enaminone to generate α,α-dihaloketones. The electrosynthesis reaction can be conveniently carried out in an undivided electrolytic cell at room temperature. In addition, various functional groups are compatible with this green protocol which can be applied simultaneously to the gram scale without significantly lower yield.

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