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81023-82-7

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81023-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81023-82-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,2 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81023-82:
(7*8)+(6*1)+(5*0)+(4*2)+(3*3)+(2*8)+(1*2)=97
97 % 10 = 7
So 81023-82-7 is a valid CAS Registry Number.

81023-82-7Relevant articles and documents

QUASIPHOSPHONIUM INTERMEDIATES-IV. ISOLATION AND IDENTIFICATION OF INTERMEDIATES IN THE ARBUZOV AND PERKOW REACTIONS OF NEOPENTYL ESTERS OF PHOSPHORUS(III) ACIDS WITH α-HALOGENOACETOPHENONES

Petnehazy, Imre,Szakal, Gyoengyi,Toeke, Laszlo,Hudson, Harry R.,Powroznyk, Luba,Cooksey, Christopher J.

, p. 4229 - 4236 (1983)

Crystalline ketophosphonium bromides have been isolated as intermediates in the reactions of trineopentyl phosphite, dineopentyl phenylphosphonite, and neopentyl diphenylphosphinite with α-bromoacetophenone.Thermal decomposition in solution occurs in each

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