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80359-65-5

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80359-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80359-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,5 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80359-65:
(7*8)+(6*0)+(5*3)+(4*5)+(3*9)+(2*6)+(1*5)=135
135 % 10 = 5
So 80359-65-5 is a valid CAS Registry Number.

80359-65-5Relevant academic research and scientific papers

Carbon Acidity. 63. Equilibrium Ion Pair Acidities of Some Phosphorus-Substituted Carbon Acids

Streitwieser, Andrew,Juaristi, Eusebio

, p. 768 - 770 (2007/10/02)

Ion-pair C-H acidities are reported as pKCsCHA for bis(diphenylphosphino)methane (1, 31.1), (p-phenylbenzyl)diphenylphosphine (3, 31.0), p-tolyldiphenylphosphine (4, 37.9), and several of the corresponding phosphine oxides.The diphenylphosphine group is about as anion stabilizing as p-biphenyl.The Ph2P(O) group is additionally stabilizing because of enhanced ion-pair interaction.The pKCsCHA of benzyldiphenylphosphine (2) can be estimated to be about 32.

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