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16668-69-2

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16668-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16668-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,6 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16668-69:
(7*1)+(6*6)+(5*6)+(4*6)+(3*8)+(2*6)+(1*9)=142
142 % 10 = 2
So 16668-69-2 is a valid CAS Registry Number.

16668-69-2Upstream product

16668-69-2Downstream Products

16668-69-2Relevant articles and documents

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Figeys,H.P.,Gelbcke,M.

, p. 5139 - 5142 (1970)

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[18]Annulene put into a new perspective

Lungerich, Dominik,Nizovtsev, Alexey V.,Heinemann, Frank W.,Hampel, Frank,Meyer, Karsten,Majetich, George,Schleyer, Paul V. R.,Jux, Norbert

supporting information, p. 4710 - 4713 (2016/04/01)

New insights into [18]annulene were gained by looking more closely at its X-ray structure, revealing a close face-to-face stacking of 3.16 ? in a herringbone-like crystal packing. Hexadehydro[18]annulene was co-crystalized in a benzene matrix, demonstrating the stabilizing role of intercalated solvent molecules in solid annulenes.

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