Cas 137933-13-2,Thiophosphoric acid O,O'-dibutyl ester S-(1-chloro-2-oxo-2-phenyl-ethyl) ester

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Check Digit Verification of cas no

The CAS Registry Mumber 137933-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,3 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137933-13:
(8*1)+(7*3)+(6*7)+(5*9)+(4*3)+(3*3)+(2*1)+(1*3)=142
142 % 10 = 2
So 137933-13-2 is a valid CAS Registry Number.

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137933-13-2Relevant academic research and scientific papers

REACTION OF DIALKOXYPHOSPHORYL- AND THIOPHOSPHORYLSULFENYL CHLORIDES WITH DIAZO COMPOUNDS

Khaskin, B. A.,Ishmuratov, A. S.,Torgasheva, N. A.

, p. 993 - 998 (2007/10/02)

Reaction of dialkoxyphosphoryl- and thiophosphorylsulfenyl chlorides with aryl- and diaryldiazoalkanes, ethyl diazoacetate, and mono- and diazoketones results in insertion of methylene groups into the S-Cl bond of the sulfenyl chlorides.A scheme is proposed for the reaction of dialkoxyphosphoryl- and thiophosphorylsulfenyl chlorides with diazocompounds.

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137933-13-2

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