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1589489-88-2

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1589489-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1589489-88-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,9,4,8 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1589489-88:
(9*1)+(8*5)+(7*8)+(6*9)+(5*4)+(4*8)+(3*9)+(2*8)+(1*8)=262
262 % 10 = 2
So 1589489-88-2 is a valid CAS Registry Number.

1589489-88-2Relevant articles and documents

Enantioselective synthesis and enhanced circularly polarized luminescence of S-shaped double azahelicenes

Nakamura, Kyosuke,Furumi, Seiichi,Takeuchi, Masayuki,Shibuya, Tetsuro,Tanaka, Ken

supporting information, p. 5555 - 5558 (2014/05/06)

The enantioselective synthesis of azahelicenes and S-shaped double azahelicenes has been achieved via the Au-catalyzed sequential intramolecular hydroarylation of alkynes. The use of excess AgOTf toward a Au(I) complex is crucial for this transformation. Interestingly, the circularly polarized luminescence activity of the S-shaped double azahelicenes was significantly higher than that of the azahelicenes.

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