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104886-08-0

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104886-08-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104886-08-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,8,8 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104886-08:
(8*1)+(7*0)+(6*4)+(5*8)+(4*8)+(3*6)+(2*0)+(1*8)=130
130 % 10 = 0
So 104886-08-0 is a valid CAS Registry Number.

104886-08-0Relevant articles and documents

Intramolecular Carbenoid Reactions of Pyrrole Derivatives. A Total Synthesis of (+/-)-Ipalbidine

Jefford, Charles W.,Kubota, Tadatoshi,Zaslona, Alexander

, p. 2048 - 2061 (2007/10/02)

A mew method for alkaloid synthesis is described.The rhodium(II)-acetate-catalyzed decomposition of 3-(4-acetoxyphenyl)-1-diazo-4-(pyrrol-1-yl)-2-butanone (5d) gave 6-(4-acetoxyphenyl)-5,6-dihydro-7(8H)-indolizinone (6d) in 82percent yield via an intramolecular carbenoid reaction.The latter compound was converted in four steps in 13percent overall yield to (+/-)-ipalbidine (1b).

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