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294211-63-5

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294211-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 294211-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,4,2,1 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 294211-63:
(8*2)+(7*9)+(6*4)+(5*2)+(4*1)+(3*1)+(2*6)+(1*3)=135
135 % 10 = 5
So 294211-63-5 is a valid CAS Registry Number.

294211-63-5Relevant articles and documents

Stereochemically controlled synthesis of 1,8-dioxaspiro[4.5]decanes and 1-oxa-8-thiaspiro[4.5]decanes by phenylsulfanyl migration

Earnes, Jason,Fox, David J.,De Las Heras, Maria A.,Warren, Stuart

, p. 1903 - 1914 (2007/10/03)

Single enantiomers and diastereoisomers of 2- and 3-alkyl-3-phenylsulfanyl-1,8-dioxa- and 1-oxa-8-thiaspiro-[4.5]decanes can be prepared in good yield by acid-catalysed phenylsulfanyl (PhS-) migration. Either the syn-or anti-stereochemistry can be controlled by aldol reactions or by reduction of hydroxy-ketones. The Royal Society of Chemistry 2000.

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