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72775-06-5

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72775-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72775-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,7 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72775-06:
(7*7)+(6*2)+(5*7)+(4*7)+(3*5)+(2*0)+(1*6)=145
145 % 10 = 5
So 72775-06-5 is a valid CAS Registry Number.

72775-06-5Downstream Products

72775-06-5Relevant articles and documents

Polymer-supported Phosphonates. Olefins from Aldehydes, Ketones, and Dioxolans by means of Polymer-supported Phosphonates

Cainelli, Gianfranco,Contento, Michele,Manescalchi, Francesco,Regnoli, Rodolfo

, p. 2516 - 2519 (2007/10/02)

Phosphonates substituted with electron-withrdrawing groups (CN and CO2Me) have been supported, by means of a neutralization reaction, on the macroreticular anion-exchange resin Amberlyst A-26.Treatment of carbonyl compounds with the polymer-bound phosphonate in various solvents gave olefins in high yields, at room temperature.Either batch or column techniques are employed, the latter offering the opportunity of a continuous procedure.The simultaneous use of the phosphonate resin and of an acidic one (Amberlyst 15 H) allowed the direct sequential hydrolysis and olefination of dioxolans.

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