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612811-92-4

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612811-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 612811-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,8,1 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 612811-92:
(8*6)+(7*1)+(6*2)+(5*8)+(4*1)+(3*1)+(2*9)+(1*2)=134
134 % 10 = 4
So 612811-92-4 is a valid CAS Registry Number.

612811-92-4Downstream Products

612811-92-4Relevant articles and documents

Fluorinated hydrazones. Part 1: Reductive coupling reactions of chlorodifluoroacetylated dialkylhydrazones using tetrakis(dimethylamino) ethylene (TDAE)

Médebielle, Maurice,Kato, Katsuya,Dolbier Jr., William R.

, p. 7871 - 7873 (2003)

A series of new α-diketone derived gem-difluorinated mono-hydrazone derivatives are easily obtained in moderate to good yields from the tetrakis(dimethylamino)ethylene-mediated reductive coupling reactions of chlorodifluoroacetylated dialkylhydrazones with aromatic aldehydes, ethyl pyruvate and an N-tosyl aldimine.

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