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4-nitro-benzenesulfonic acid 2-(4-chloro-phenyl)-2-oxo-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

126939-89-7

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126939-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126939-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,3 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126939-89:
(8*1)+(7*2)+(6*6)+(5*9)+(4*3)+(3*9)+(2*8)+(1*9)=167
167 % 10 = 7
So 126939-89-7 is a valid CAS Registry Number.

126939-89-7Relevant academic research and scientific papers

An effective synthesis of α-azido ketones from ketones

Lee,Kim,Shin

, p. 4271 - 4275 (2007/10/03)

One-pot transformation of ketones into α-azido ketones has been achieved by successive treatment with HNIB and NaN3 in acetonitrile.

Efficient method for α-iodination of ketones

Lee, Jong Chan,Jin, Yong Suk

, p. 2769 - 2774 (2007/10/03)

α-Iodoketones are prepared in high yields from the initial reaction of various ketones with HNIB in CH3CN and subsequent treatment of potassium iodide or samarium(II) iodide.

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