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5,9-dihydroxy-7-phenyl-5,6,8,9-tetrahydro-7H-dibenzophosphonin 7-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75443-54-8

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75443-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75443-54-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,4 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75443-54:
(7*7)+(6*5)+(5*4)+(4*4)+(3*3)+(2*5)+(1*4)=138
138 % 10 = 8
So 75443-54-8 is a valid CAS Registry Number.

75443-54-8Relevant academic research and scientific papers

Synthesis of Phosphonane and Dibenzophosphonin Derivatives

Quin, Louis D.,Middlemas, Eric D.,Rao, Nandakumar S.

, p. 905 - 912 (2007/10/02)

The 3,8-dioxo derivatives of phosphonanes, readily formed by ozonolysis of cyclohexanophospholene oxides, are valuable precursors of other phosphonane derivatives.For the 1-methyl derivative, the bis(ethylene dithioketal) derivative can be reduced to t

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