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1269141-74-3

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1269141-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269141-74-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,1,4 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1269141-74:
(9*1)+(8*2)+(7*6)+(6*9)+(5*1)+(4*4)+(3*1)+(2*7)+(1*4)=163
163 % 10 = 3
So 1269141-74-3 is a valid CAS Registry Number.

1269141-74-3Relevant articles and documents

Stereospecific ring expansion of chiral vinyl aziridines

Brichacek, Matthew,Navarro Villalobos, Mauricio,Plichta, Alexandra,Njardarson, Jon T.

supporting information; experimental part, p. 1110 - 1113 (2011/04/25)

In this report, it is demonstrated that chiral vinyl aziridines can be stereospecifically ring expanded. This synthetic approach allows controlled access to chiral 2,5-cis-or 2,5-trans-3-pyrroline products from starting materials with the appropriate aziridine geometry. Twenty three ring expansion examples, most of which feature a stereospecific cyclization, are presented.(Figure Presented)

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