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689250-68-8

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689250-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 689250-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,5 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 689250-68:
(8*6)+(7*8)+(6*9)+(5*2)+(4*5)+(3*0)+(2*6)+(1*8)=208
208 % 10 = 8
So 689250-68-8 is a valid CAS Registry Number.

689250-68-8Downstream Products

689250-68-8Relevant articles and documents

Hexasubstituted Donor-Acceptor Benzenes as Nonlinear Optically Active Molecules with Multiple Charge-Transfer Transitions

Traber, Boris,Wolff, J. Jens,Rominger, Frank,Oeser, Thomas,Gleiter, Rolf,Goebel, Mark,Wortmann, Ruediger

, p. 1227 - 1238 (2004)

The synthesis of three novel nonlinear optical (NLO) chromophores with threefold symmetry, namely 1,3,5-tris(4-N,N-diethylaminophenyl)-2,4,6-tris(4-nitrophenyl)benzene (3), 1,3,5-tris(L-N,N-dihexylaminophenylbutadiynyl)-2,4,6-tris(4-nitrophenyl)benzene (1

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