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195319-42-7

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195319-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195319-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,3,1 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 195319-42:
(8*1)+(7*9)+(6*5)+(5*3)+(4*1)+(3*9)+(2*4)+(1*2)=157
157 % 10 = 7
So 195319-42-7 is a valid CAS Registry Number.

195319-42-7Relevant articles and documents

Bishomoaromatic 1,2,4-triboracyclopentane dianions: Strong three-center, two-electron bonds between three boron atoms

Scheschkewitz, David,Ghaffari, Abolfazl,Amseis, Peter,Unverzagt, Markus,Subramanian, Govindan,Hofmann, Matthias,Von Schleyer, Paul Rague,Schaefer III, Henry F.,Geiseler, Gertraud,Massa, Werner,Berndt, Armin

, p. 1272 - 1275 (2007/10/03)

Much greater than the bishomoaromaticity for the archetype 1 of all bishomoarenes is that of 1,2,4-triboracyclopentane dianions 2, although the skeletons of 2 are isoelectronic with that of the experimentally unknown monocyclic prototype 3. Donor substitu

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