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28861-34-9

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28861-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28861-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,6 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28861-34:
(7*2)+(6*8)+(5*8)+(4*6)+(3*1)+(2*3)+(1*4)=139
139 % 10 = 9
So 28861-34-9 is a valid CAS Registry Number.

28861-34-9Relevant articles and documents

Synthesis of Aryl Ketoamides via Aryne Insertion into Imides

Wright, Austin C.,Haley, Christopher K.,Lapointe, Guillaume,Stoltz, Brian M.

supporting information, p. 2793 - 2795 (2016/07/06)

An insertion of arenes into both imides and anhydrides via reactive aryne intermediates is presented. The reaction is performed under exceptionally mild conditions, and the corresponding ketoamide products are amenable to derivatization to deliver a variety of synthetically useful motifs such as quinolones, indoles, and ketoanilines.

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