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604005-17-6

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604005-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 604005-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,4,0,0 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 604005-17:
(8*6)+(7*0)+(6*4)+(5*0)+(4*0)+(3*5)+(2*1)+(1*7)=96
96 % 10 = 6
So 604005-17-6 is a valid CAS Registry Number.

604005-17-6Downstream Products

604005-17-6Relevant articles and documents

6-(Arylvinylene)-3-pyridinylboronic esters. Part 2: Versatile building blocks for push-pull nonlinear optical chromophores

Leclerc, Nicolas,Galmiche, Laurent,Attias, André-Jean

, p. 5883 - 5887 (2007/10/03)

This paper describes a general approach for the synthesis of push-pull 6,6′-disubstituted-3,3′-bipyridine chromophores. As examples, 6-(4-ethanol-2-thienylvinylene)-5-methyl-3-bromopyridine, 6-(4-hydroxy-phenylvinylene)-5-methyl-3-bromopyridine, and the corresponding 3-pyridinylboronic esters have been prepared as building blocks end-capped with electron donor groups (D). 6-(4-Cyano-phenylvinylene)-5-methyl-3-bromopyridine, and 6-(4-cyano-phenylvinylene)-3-bromopyridine have been synthesized as building blocks end-capped with electron acceptor groups (A). {A x D} type cross-couplings via Suzuki reaction gave the push-pull chromophores (I) and (II) in high yields and multigram scales.

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