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99984-63-1

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99984-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99984-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99984-63:
(7*9)+(6*9)+(5*9)+(4*8)+(3*4)+(2*6)+(1*3)=221
221 % 10 = 1
So 99984-63-1 is a valid CAS Registry Number.

99984-63-1Relevant articles and documents

Base-mediated intermolecular sp2 C-H bond arylation via benzyne intermediates

Truong, Thanh,Daugulis, Olafs

supporting information; experimental part, p. 4243 - 4245 (2011/06/21)

A transition-metal-free method for arylation of heterocycle and arene carbon-hydrogen bonds by aryl chlorides and fluorides has been developed. The reactions proceed via aryne intermediates and are highly regioselective with respect to the C-H bond coupling component.

Studies on Pyrazines. Part 27. A New Deoxidative Nucleophilic Substitution of Pyrazine N-Oxides; Synthesis of Azidopyrazines with Trimethylsilyl Azide

Sato, Nobuhiro,Miwa, Naoko,Hirokawa, Noriko

, p. 885 - 888 (2007/10/02)

Azidopyrazines bearing amino, methoxy and/or phenylgroups have been synthesized by reaction of pyrazine N-oxides with trimethylsilyl azide in the presence of diethylcarbamoyl chloride in refluxing acetonitrile.In most cases, the azidation occurs only at t

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