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Phosphine, diphenyl[4-(phenylphosphino)butyl]-, lithium salt is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91656-81-4

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91656-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91656-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,5 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91656-81:
(7*9)+(6*1)+(5*6)+(4*5)+(3*6)+(2*8)+(1*1)=154
154 % 10 = 4
So 91656-81-4 is a valid CAS Registry Number.

91656-81-4Downstream Products

91656-81-4Relevant academic research and scientific papers

THE CLEAVAGE OF P-C BONDS IN DIPHOSPHINES BY LITHIUM: THE CRYSTAL STRUCTURE OF 2(OC4H8)8>

Brooks, Peter,Craig, Donald C.,Gallagher, Michael J.,Rae, A. David,Sarrof, Adrien

, p. C1 - C4 (1987)

Reaction of alkane-1,n-diylbisdiphenylphosphines with lithium in tetrahydrofuran gives only the diphosphides resulting from cleavage of a phosphorus-aryl bond at each end of the chain; the course of the reaction is independent of chain length.The X-ray structure of the ethane diphosphide is presented and a possible mechanism discussed.

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