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182071-34-7

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182071-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 182071-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,0,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 182071-34:
(8*1)+(7*8)+(6*2)+(5*0)+(4*7)+(3*1)+(2*3)+(1*4)=117
117 % 10 = 7
So 182071-34-7 is a valid CAS Registry Number.

182071-34-7Relevant articles and documents

Synthesis, resolution and crystal structure of a new optically active nitroxide radical

Benfaremo, Nicholas,Steenbock, Marco,Klapper, Markus,Muellen, Klaus,Enkelmann, Volker,Cabrera, Karin

, p. 1413 - 1415 (2007/10/03)

The synthesis of the readily available racemate of the nitroxide radical 5 is described. The product exhibits exclusively the irons configuration. The cis product was not obtained. Optically pure enantiomers of 5 were isolated in gram quantities by chiral HPLC. Thus, separation of the enantiomers of a nitroxide radical was achieved for the first time. The structure of 5 was proven by a single-crystal diffraction study. VCH Verlagsgesellschaft mbH, 1996.

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