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1436416-04-4

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1436416-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1436416-04-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,6,4,1 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1436416-04:
(9*1)+(8*4)+(7*3)+(6*6)+(5*4)+(4*1)+(3*6)+(2*0)+(1*4)=144
144 % 10 = 4
So 1436416-04-4 is a valid CAS Registry Number.

1436416-04-4Relevant articles and documents

Synthesis of a cis 2,5-disubstituted morpholine by de-epimerization: Application to the multigram scale synthesis of a mineralocorticoid antagonist

Sammons, Matthew,Jennings, Sandra M.,Herr, Michael,Hulford, Catherine A.,Wei, Liuqing,Hallissey, James F.,Kiser, E. Jason,Wright, Stephen W.,Piotrowski, David W.

, p. 934 - 939 (2013/07/26)

A convergent route to multigram quantities of a mineralocorticoid antagonist 3 is described. Starting from (R)-phenylglycinol, the synthesis of cis 2,5-morpholine 2 is accomplished utilizing a de-epimerization to install the second stereogenic center. The multigram synthesis of 3 was completed through a sequence of an SNAr reaction, Dakin oxidation, alkylation, and cyclization to provide a crystalline solid.

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