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144534-66-7

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144534-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144534-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,5,3 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 144534-66:
(8*1)+(7*4)+(6*4)+(5*5)+(4*3)+(3*4)+(2*6)+(1*6)=127
127 % 10 = 7
So 144534-66-7 is a valid CAS Registry Number.

144534-66-7Relevant articles and documents

A flexible, efficient synthesis of (±)-carbocyclic phosphonic acid nucleoside derivatives

Wainwright, Phillip,Maddaford, Adrian,Bissell, Richard,Fisher, Ray,Leese, David,Lund, Andrew,Runcie, Karen,Dragovich, Peter S.,Gonzalez, Javier,Kung, Pei-Pei,Middleton, Donald S.,Pryde, David C.,Stephenson, Peter T.,Sutton, Scott C.

, p. 765 - 768 (2005)

An efficient and flexible synthesis of cyclopentane and hydroxylated cyclopentane phosphonic acid analogues is described. The key step involves the opening of an epoxide with either a nucleoside base or a selenyl anion to access the target molecules.

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