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139255-61-1

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139255-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139255-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,5 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139255-61:
(8*1)+(7*3)+(6*9)+(5*2)+(4*5)+(3*5)+(2*6)+(1*1)=141
141 % 10 = 1
So 139255-61-1 is a valid CAS Registry Number.

139255-61-1Relevant articles and documents

USE OF ATOM-TRANSFER RADICAL CYCLIZATIONS AS AN EFFICIENT ENTRY INTO A NEW "SEROTONERGIC" AZANORADAMANTANE

Flynn, Daniel L.,Becker, Daniel P.,Nosal, Roger,Zabrowski, Daniel L.

, p. 7283 - 7286 (2007/10/02)

A route to azanoradamantanes is described which makes use of an atom-transfer radical cyclization to afford 3-azabicycloocatanes 3A and 3B.Subsequent elaboration of exo-allylamine functionality, followed by cyclization of the endo-hydroxymethyl intermediate 9, affords the new azanoradamantanes 11 and 4.This new azatricyclic system is useful for producing serotonin 5-HT3 antagonists and 5-HT4 agonists. Key words: Azanoradamantane; 3-azabicyclooctane; serotonin

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