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117531-39-2

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117531-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117531-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,3 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117531-39:
(8*1)+(7*1)+(6*7)+(5*5)+(4*3)+(3*1)+(2*3)+(1*9)=112
112 % 10 = 2
So 117531-39-2 is a valid CAS Registry Number.

117531-39-2Relevant articles and documents

SELENIUM CATALYZED CONVERSION OF VINYL HALIDES INTO α-ALKOXY ACETALS

Tiecco, Marcello,Testaferri, Lorenzo,Tingoli, Marco,Chianelli, Donatella,Bartoli, Donatella

, p. 2273 - 2282 (2007/10/02)

The reaction of vinyl halides with phenylselenenyl chloride in alcohols affords α-alkoxy acetals and diphenyl diselenide which can be oxidized to PhSe cations by nitrate or persulfate anions.The reaction can be carried out with catalytic amounts of PhSeCl or PhSeSePh.The reaction proceeds through the formation of the methoxyselenenylation product which then suffers solvolysis.Under controlled conditions, the 1-phenyl-1-methoxy-2-bromo-2-phenylselenenyl ethane was isolated from the reaction of β-bromostyrene and PhSeCl in methanol.Several deselenenylation reactions of this α-halogenoselenide are reported.

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