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181067-68-5

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181067-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181067-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,0,6 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 181067-68:
(8*1)+(7*8)+(6*1)+(5*0)+(4*6)+(3*7)+(2*6)+(1*8)=135
135 % 10 = 5
So 181067-68-5 is a valid CAS Registry Number.

181067-68-5Relevant articles and documents

Radical N-heterocyclic carbene catalysis for β-ketocarbonyl synthesis

Ishii, Takuya,Nagao, Kazunori,Ohmiya, Hirohisa

, (2021/06/07)

N-Heterocyclic carbene-catalyzed radical cross-coupling between aldehydes and α-bromoesters or α-bromoamides is described. β-Ketocarbonyl compounds having a quaternary carbon center at the α-position can be synthesized under mild reaction conditions. Both aromatic and aliphatic aldehydes are suitable acyl donors by employing proper NHC catalyst precursors.

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