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130288-82-3

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130288-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130288-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,8 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130288-82:
(8*1)+(7*3)+(6*0)+(5*2)+(4*8)+(3*8)+(2*8)+(1*2)=113
113 % 10 = 3
So 130288-82-3 is a valid CAS Registry Number.

130288-82-3Relevant articles and documents

31P NMR Studies on the Activation Pathways of Aryl H-Phosphonate esters with Condensing Agents

Kers, Annika,Kers, Inger,Kraszewski, Adam,Stawinski, Jacek

, p. S246 - S249 (2007/10/03)

Diaryl and akyl aryl H-phosphonate diesters, in contradiction to the dialkyl derivatives, undergo in the presence of condensing agents (pivaloyl chloride, chlorophosphates, 2,4,6-triisopropylbenzenesulfonyl chloride, dicyclohexylcarbodiimide) activation producing reactive tervalent P(III) intermediates.Phenyl H-phosphonate reacts similarly to the alkyl esters affording acyl derivatives (with pivaloyl chloride) or triphenyl trimetaphosphite (with the other coupling agents).In the latter instance, depending on the reaction conditions, species with C3v or Cs symmetry are formed.

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