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Ethanethioic acid, S-[2-(diphenylphosphino)phenyl] ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

289884-70-4

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289884-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289884-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,8,8 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 289884-70:
(8*2)+(7*8)+(6*9)+(5*8)+(4*8)+(3*4)+(2*7)+(1*0)=224
224 % 10 = 4
So 289884-70-4 is a valid CAS Registry Number.

289884-70-4Relevant academic research and scientific papers

A "traceless" Staudinger ligation for the chemoselective synthesis of amide bonds

Saxon, Eliana,Armstrong, Joshua I.,Bertozzi, Carolyn R.

, p. 2141 - 2143 (2007/10/03)

equation presented Here we report a novel modification of our previously reported "Staudinger ligation" that generates an amide bond from an azide and a specifically functionalized phosphine. This method for the selective formation of an amide bond, which

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