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2,5-Bis-benzolsulfonylamino-benzolphosphonsaeurediethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21313-72-4

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21313-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21313-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,3,1 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21313-72:
(7*2)+(6*1)+(5*3)+(4*1)+(3*3)+(2*7)+(1*2)=64
64 % 10 = 4
So 21313-72-4 is a valid CAS Registry Number.

21313-72-4Downstream Products

21313-72-4Relevant academic research and scientific papers

ORGANOPHOSPHORUS COMPOUNDS, XXIX. ON THE REACTION OF DIALKYL PHOSPHITES WITH p-BENZOQUINONEDIBENZENESULPHONIMIDE

Sidky, M. M.,Mahran, M. R.,Zayed, M. F.

, p. 337 - 342 (2007/10/02)

The reaction of p-benzoquinonedibenzenesulphonimide (1) with dialkyl phosphites (2a-c) to give phosphoramidate (3), phosphonate 4 and/or p-benzoquinonedibenzenesulphonamide (5), has been studied under different experimental conditions.The factors influenc

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