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1240390-05-9

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1240390-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240390-05-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,3,9 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240390-05:
(9*1)+(8*2)+(7*4)+(6*0)+(5*3)+(4*9)+(3*0)+(2*0)+(1*5)=109
109 % 10 = 9
So 1240390-05-9 is a valid CAS Registry Number.

1240390-05-9Relevant articles and documents

One-Pot Synthesis of Unsymmetric Diaryliodonium Salts from Iodine and Arenes

Lindstedt, Erik,Reitti, Marcus,Olofsson, Berit

, p. 11909 - 11914 (2017)

The first synthesis of unsymmetric diaryliodonium salts directly from iodine and arenes is presented. The methodology provides diaryliodonium salts with the trimethoxyphenyl (TMP) moiety as dummy group. The protocol avoids the customary use of iodoarenes,

A Selective C?H Deprotonation Strategy to Access Functionalized Arynes by Using Hypervalent Iodine

Sundalam, Sunil K.,Nilova, Aleksandra,Seidl, Thomas L.,Stuart, David R.

supporting information, p. 8431 - 8434 (2016/07/19)

Described here is an efficient method to access highly functionalized arynes from unsymmetrical aryl(mesityl)iodonium tosylate salts. The iodonium salts are prepared in a single pot from either commercially available aryl iodides or arylboronic acids. The

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