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145144-84-9

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145144-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145144-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,1,4 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145144-84:
(8*1)+(7*4)+(6*5)+(5*1)+(4*4)+(3*4)+(2*8)+(1*4)=119
119 % 10 = 9
So 145144-84-9 is a valid CAS Registry Number.

145144-84-9Relevant articles and documents

Chain-elongation and Degradation of Carboxylic Acids by Barton-ester Based Radical Chemistry

Barton, Derek H. R.,Chern, Ching-Yuh,Jaszberenyi, Joseph Cs.,Shinada, Tetsuro

, p. 6505 - 6508 (1993)

The reaction of α-trifluoroacetoxy acrylates and acrylonitriles with carbon radicals formed from carboxylic acids gives adducts that can be transformed into vic-diols, esters, amides, and homoaldehydes in good to high yield.Aldoses can be smoothly degraded to the corresponding nor- or bis-nor compounds using radical chemistry.

Two Carbon Homologation of Carboxylic Acids via Carbon Radicals Generated from the Acyl Derivatives of N-Hydroxy-2-thiopyridone: Synthesis of Cn+2 α-Keto-acids from Cn Acids. (The 'Three carbon' Problem).

Barton, Derek H. R.,Chern, Ching-Yuh,Jaszberenyi, Joseph Cs.

, p. 5017 - 5020 (2007/10/02)

Reaction of olefins containing a three carbon atom chain with carbon radicals generated from carboxylic acids furnishes adducts that are precursors of the corresponding two carbon atom longer α-keto-acids.These keto-acids are furnished in high overall yield.

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