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162147-97-9

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162147-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162147-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,1,4 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 162147-97:
(8*1)+(7*6)+(6*2)+(5*1)+(4*4)+(3*7)+(2*9)+(1*7)=129
129 % 10 = 9
So 162147-97-9 is a valid CAS Registry Number.

162147-97-9Relevant articles and documents

Dianion of sulfinylacetone as a synthetic equivalent of β-enolate of propionic acid: A novel synthesis of carboxylic acids from alkyl halides with three-carbon elongation

Satoh, Tsuyoshi,Imai, Kentaro

, p. 602 - 604 (2007/10/03)

The reaction of the dianion of phenylsulfinylacetone with alkyl halides afforded β-keto sulfoxides, which were first chlorinated with hexachloroethane and then treated successively with KH and t-BuLi to give carboxylic acids in three-steps in moderate overall yields from the alkyl halides. This procedure affords a good method for a synthesis of carboxylic acids from alkyl halides with three-carbon elongation.

Ligand exchange reaction of sulfoxides in organic synthesis: A new method for one-carbon homologation of esters to carboxylic acids and esters via α- chloro α-sulfinyl ketones

Satoh,Mizu,Hayashi,Yamakawa

, p. 133 - 134 (2007/10/02)

Reaction of the Carbanion of chloromethyl phenyl sulfoxide with esters gave α-chloro α-sulfinyl ketones, which were treated with KH followed by t- BuLi to afford one-carbon homologated acids and esters in good to excellent yields.

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