Cas 1342819-34-4,C56H30F12O2P2

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Check Digit Verification of cas no

The CAS Registry Mumber 1342819-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,2,8,1 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1342819-34:
(9*1)+(8*3)+(7*4)+(6*2)+(5*8)+(4*1)+(3*9)+(2*3)+(1*4)=154
154 % 10 = 4
So 1342819-34-4 is a valid CAS Registry Number.

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1342819-34-4Relevant academic research and scientific papers

Improved syntheses of phosphine ligands by direct coupling of diarylbromophosphine with organometallic reagents

Liu, Lei,Wu, Hai-Chen,Yu, Jin-Quan

body text, p. 10828 - 10831 (2011/11/04)

Br versus Cl: It is found that the use of diarylbromophosphines instead of diarylchlorophosphines is crucial for their direct coupling with binaphthylmagnesium bromide or BINOL triflate. This finding has led to an improved preparation of both electron-deficient BINAP-type phosphine ligands and several important Buchwald's ligands. Copyright

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