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1204393-81-6

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1204393-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1204393-81-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,3,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1204393-81:
(9*1)+(8*2)+(7*0)+(6*4)+(5*3)+(4*9)+(3*3)+(2*8)+(1*1)=126
126 % 10 = 6
So 1204393-81-6 is a valid CAS Registry Number.

1204393-81-6Relevant articles and documents

Syntheses of (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)arenes through Pd-catalyzed borylation of arylbromides with the successive use of 2,2′-bis(1,3,2-benzodioxaborole) and pinacol

Takagi, Jun,Yamakawa, Tetsu

, p. 166 - 169 (2013)

Syntheses of (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)arenes through the Pd-catalyzed borylation of arylbromides with the successive use of 2,2′-bis(1,3,2-benzodioxaborole) and pinacol were investigated. PdCl 2(dppf) and AcOK in EtOH or DMSO successfully provided (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)arenes. In particular, this method was more effective in the borylation of arylbromides bearing sulfonyl groups than the conventional Pd-catalyzed borylation using pinacolborane or bis(pinacolato)diboron.

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