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39014-35-2

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39014-35-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39014-35-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,0,1 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 39014-35:
(7*3)+(6*9)+(5*0)+(4*1)+(3*4)+(2*3)+(1*5)=102
102 % 10 = 2
So 39014-35-2 is a valid CAS Registry Number.

39014-35-2Relevant articles and documents

A comparison of the relative binding energie of H(+) and NO(+) to aromatic and haloaromatic bases by high pressure mass spectrometry

Stone, John A.,Splinter, Dena E.,Kong, Soon Yau

, p. 910 - 915 (2007/10/02)

Proton transfer equilibria (B1H(+) + B2 B1 + B2H(+)) and NO(+) transfer equilibria (B1NO(+) + B2 B1 + B2NO(+)) have been studied for the following bases B, benzene, toluene, o-, m-, and p-xylene.NO(+) transfer equilibria for fluoro- and chlorobenzene have also been studied.Pulsed electron beam, high-pressure ion source mass spectrometry has been used to obtain the equilibrium constant K and hence the free energy changes ΔG0 and from van't Hoff plots, ΔH0 and ΔS0.Entropy changes are in general much smaller for NO(+) transfer than for H(+) transfer but the magnitude of the changes in the proton affinity and NO(+) affinity of toluene caused by a fluorine substituent is about the same, even though the absolute value of the proton affinity is greater by a factor of 4.The position of the F substituent on toluene has a marked effect on proton affinity but no effect on NO(+) affinity.The latter appears to be responsive only to the inductive effect.

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