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1421484-11-8

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1421484-11-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421484-11-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,4,8 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1421484-11:
(9*1)+(8*4)+(7*2)+(6*1)+(5*4)+(4*8)+(3*4)+(2*1)+(1*1)=128
128 % 10 = 8
So 1421484-11-8 is a valid CAS Registry Number.

1421484-11-8Downstream Products

1421484-11-8Relevant articles and documents

Polyarylene synthesis by cross-coupling with HOMSi reagents

Shimizu, Kenta,Minami, Yasunori,Nakao, Yoshiaki,Ohya, Ken-Ichiro,Ikehira, Hideyuki,Hiyama, Tamejiro

, p. 45 - 47 (2013/02/25)

Cross-coupling reaction of dibromoarenes with HOMSi reagents (organo[2-(hydroxymethyl)phenyl]dimethylsilanes), or alternatively bromoarenes with arylene-bisHOMSi reagents, proceeded smoothly in the presence of a Pd catalyst and a weak base, and ter- or quaterarenes are produced in excellent yields. The present reaction was successfully applied to polyarylene synthesis using 4,7-dibromobenzothiadiazole or a 2,7-dibromofluorene derivative along with a 2,7-fluorenylenebisHOMSi reagent.

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