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474452-40-9

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474452-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 474452-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,4,5 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 474452-40:
(8*4)+(7*7)+(6*4)+(5*4)+(4*5)+(3*2)+(2*4)+(1*0)=159
159 % 10 = 9
So 474452-40-9 is a valid CAS Registry Number.

474452-40-9Relevant articles and documents

First syntheses of two quinoline alkaloids from the medicinal herb Ruta chalepensis via cyclization of an o-iodoaniline with an acetylenic sulfone

Back, Thomas G.,Wulff, Jeremy E.

, p. 1710 - 1711 (2002)

The first syntheses of two quinoline alkaloids found in the medicinal herb Ruta chalepensis are reported via the conjugate addition of an o-iodoaniline to an acetylenic sulfone, followed by Pd-catalyzed carbonylation, intra-molecular acylation of the core

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