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155801-93-7

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155801-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155801-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,0 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155801-93:
(8*1)+(7*5)+(6*5)+(5*8)+(4*0)+(3*1)+(2*9)+(1*3)=137
137 % 10 = 7
So 155801-93-7 is a valid CAS Registry Number.

155801-93-7Relevant articles and documents

Kinetic Study on the Alkaline Hydrolysis of Some Tetracoordinate PV Esters of 2,4-Dinitrophenol

Cevasco, Giorgio,Thea, Sergio

, p. 1103 - 1106 (2007/10/02)

The alkaline hydrolysis of 2,4-dinitrophenyl esters of benzylphosphinic, benzylphosphonic and benzylphosphonamidic acid does not proceed through a carbanion-promoted dissociative mechanism, a possible alternative pathway to the usual SN2(P) process; this is a further indication of the clear preference for associative displacement at phosphorous.

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