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1558739-49-3

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1558739-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1558739-49-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,8,7,3 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1558739-49:
(9*1)+(8*5)+(7*5)+(6*8)+(5*7)+(4*3)+(3*9)+(2*4)+(1*9)=223
223 % 10 = 3
So 1558739-49-3 is a valid CAS Registry Number.

1558739-49-3Downstream Products

1558739-49-3Relevant academic research and scientific papers

Twisted pyrene-fused azaacenes

More, Sandeep,Choudhary, Sunil,Higelin, Alexander,Krossing, Ingo,Melle-Franco, Manuel,Mateo-Alonso, Aurelio

supporting information, p. 1976 - 1979 (2014/03/21)

An approach for introducing twists in pyrene-fused azaacenes is reported. Depending on the volume and the rigidity of the silyl groups, different-sized twist angles, which oscillate between 4°and 24°, are induced along the longitudinal conjugated backbone

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