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784210-31-7

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784210-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 784210-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,4,2,1 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 784210-31:
(8*7)+(7*8)+(6*4)+(5*2)+(4*1)+(3*0)+(2*3)+(1*1)=157
157 % 10 = 7
So 784210-31-7 is a valid CAS Registry Number.

784210-31-7Downstream Products

784210-31-7Relevant articles and documents

Preparation of polyfunctional arynes via 2-magnesiated diaryl sulfonates

Sapountzis, Ioannis,Lin, Wenwei,Fischer, Markus,Knochel, Paul

, p. 4364 - 4366 (2004)

The synthetic potential of arynes can be exploited through a new method for their generation from functionalized aryl magnesium reagents and controlled reaction. Arynes with functional groups such as ester, nitrile, ketone, or nitro groups, or with a quinolyl skeleton, can be formed from polyfunctionalized 2-iodo aryl 4-chlorobenezenesulfonates and trapped in 68-93% yield with furan (see scheme).

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