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p-Chlor-benzoesaeure-fluorsulfonsaeureanhydrid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78102-83-7

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78102-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78102-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,0 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78102-83:
(7*7)+(6*8)+(5*1)+(4*0)+(3*2)+(2*8)+(1*3)=127
127 % 10 = 7
So 78102-83-7 is a valid CAS Registry Number.

78102-83-7Upstream product

78102-83-7Relevant academic research and scientific papers

Synthesis and Reactions of Arylcarbonic Fluorosulfonic Anhydrides

Effenberger, Franz,Huthmacher, Klaus,Keil, Michael

, p. 1967 - 1971 (2007/10/02)

In dichloromethane at 0 deg C, the acyl fluorides 3 insert sulfur trioxide to form the thermolabile acylcarbonic fluorosulfonic anhydrides 4 in good yield.Acylation of non-activated arenes with the anhydrides 4 is impossible since they decompose upon warming into constituent compounds; with the SO3 thus liberated, diarylsulfones 6 are formed.

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