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1609571-99-4

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1609571-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609571-99-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,5,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1609571-99:
(9*1)+(8*6)+(7*0)+(6*9)+(5*5)+(4*7)+(3*1)+(2*9)+(1*9)=194
194 % 10 = 4
So 1609571-99-4 is a valid CAS Registry Number.

1609571-99-4Downstream Products

1609571-99-4Relevant articles and documents

Making nonsymmetrical bricks: Synthesis of insoluble dipolar sexiphenyls

Garmshausen, Yves,Schwarz, Jutta,Hildebrandt, Jana,Kobin, Bjoern,Paetzel, Michael,Hecht, Stefan

, p. 2838 - 2841 (2014/06/23)

A versatile synthesis of nonsymmetrical, terminally substituted p-sexiphenyl (6P) derivatives has been developed. The synthesis makes use of a nonsymmetrical starting material as well as modular functionalization using Suzuki cross-coupling to yield a soluble precursor, which finally is converted to the insoluble target 6P derivatives. These derivatives display similar electronic and optical properties to the parent 6P, yet the permanent dipole along their molecular axis allows for tuning of their self-assembly on various substrate surfaces.

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