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131551-80-9

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131551-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131551-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,5 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131551-80:
(8*1)+(7*3)+(6*1)+(5*5)+(4*5)+(3*1)+(2*8)+(1*0)=99
99 % 10 = 9
So 131551-80-9 is a valid CAS Registry Number.

131551-80-9Downstream Products

131551-80-9Relevant articles and documents

tert-BUTYL PIVALOYL PHOSPHOROUS ACID AND ITS DERIVATIVES

Veits, Yu. A.,Filippov, M. V.,Neganova, E. G.,Borisenko, A. A.,Foss, V. L.

, p. 108 - 113 (2007/10/02)

tert-Butyl pivaloyl phosphorous acid and some of its derivatives were synthesized.In contrast to the chlorophosphite derivatives, the esters and amides do not undergo disproportionation upon the action of electrophilic catalysts.This acid and its derivatives are cleaved hydrolytically under acid catalysis conditions at the phosphorous-acyl bond to give tert-butylphosphine oxide.The oxidation of tert-butyl pivaloyl phosphorous acid derivatives leads to the corresponding phosphonic acid derivatives, which are more stable relative to hydrolysis.

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