Cas 124946-59-4,Selenocarbonic acid Se-benzyl ester O-ethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 124946-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,9,4 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124946-59:
(8*1)+(7*2)+(6*4)+(5*9)+(4*4)+(3*6)+(2*5)+(1*9)=144
144 % 10 = 4
So 124946-59-4 is a valid CAS Registry Number.

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124946-59-4Relevant articles and documents

A Convenient One-pot Synthesis of Unsymmetrical Selenium Compounds Using Bis(trimethylsilyl) Selenide

Segi, Masahito,Kato, Masakazu,Nakajima, Tadashi,Suga, Sohei,Sonoda, Noboru

, p. 1009 - 1012 (2007/10/02)

The reaction of bis(trimethylsilyl) selenide with n-BuLi followed by alkylation with an R1X gave alkyl silyl selenides.The repetition of a similar one-pot operation with the second n-BuLi and R2X yielded unsymmetrical selenides (R1SeR2) in good yields.This one-pot procedure could be also applicable to the syntheses of selenolesters, selenolcarbonates, and a phosphinothioyl selenide.

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CAS

124946-59-4