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1243003-73-7

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1243003-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1243003-73-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,0,0 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1243003-73:
(9*1)+(8*2)+(7*4)+(6*3)+(5*0)+(4*0)+(3*3)+(2*7)+(1*3)=97
97 % 10 = 7
So 1243003-73-7 is a valid CAS Registry Number.

1243003-73-7Downstream Products

1243003-73-7Relevant articles and documents

Nitrosobenzene cross-dimerization: Structural selectivity in solution and in solid state

Biljan, Ivana,Cvjetojevic, Gorana,Smrecki, Vilko,Novak, Predrag,Mali, Gregor,Plavec, Janez,Babic, Darko,Mihalic, Zlatko,Vancik, Hrvoj

experimental part, p. 22 - 26 (2010/09/16)

Possibility of nitrosobenzenes to form dimeric molecular structures (azodioxides) is used as a model for intermolecular selectivity investigations in solution as well as in solid state. Cross-dimerization of different combinations of p- and m-substituted nitrosobenzene pairs was studied by variable temperature 1H NMR, solid-state NMR (CP MAS), IR, and ab initio calculations. It is evident that p-nitronitrosobenzene behaves nonselectively because it forms dimers with all the studied nitrosobenzene partners. In contrast, p-methoxynitrosobenzene in most cases does not form dimers. The evidence that ability to form dimers is different in solution than in the solid state can be explained by influence of molecular arrangements in the crystal lattice.

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