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70525-68-7

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70525-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70525-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,2 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70525-68:
(7*7)+(6*0)+(5*5)+(4*2)+(3*5)+(2*6)+(1*8)=117
117 % 10 = 7
So 70525-68-7 is a valid CAS Registry Number.

70525-68-7Downstream Products

70525-68-7Relevant articles and documents

Synthesis of functionalized 1-trimethylsiloxy-substituted O-trimethylsilyl alkylphosphonites and their derivatives

Prishchenko, Andrey A.,Livantsov, Mikhail V.,Novikova, Olga P.,Livantsova, Ludmila I.,Petrosyan, Valery S.

, p. 352 - 359 (2008/09/20)

Nucleophilic addition of trimethylsilyl esters of tricoordinate organophosphorus acids to various functionalized aldehydes with vinyl, aryl, and heterocyclic fragments is proposed as a convenient method for the synthesis of new 1-trimethylsiloxysubstituted alkylphosphonites and their derivatives at mild conditions. Also the new functionalized derivatives of these phosphonites, including amino groups as well as certain properties of these compounds as important precursors of new functionalized 1-hydroxyalkylorganophosphorus acids, are presented.

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