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4-methylsulfonyl-4'-fluorohydrazobenzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

521972-83-8

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521972-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521972-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,9,7 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 521972-83:
(8*5)+(7*2)+(6*1)+(5*9)+(4*7)+(3*2)+(2*8)+(1*3)=158
158 % 10 = 8
So 521972-83-8 is a valid CAS Registry Number.

521972-83-8Downstream Products

521972-83-8Relevant academic research and scientific papers

Synthesis of 4-alkyl-1,2-diphenyl-3,5-dioxopyrazolidines possessing aryl methylsulfonyl and sulfonamide pharmacophores for evaluation as selective cyclooxygenase-2 (COX-2) inhibitors

Rahim, M. Abdur,Rao, P.N. Praveen,Knaus, Edward E.

, p. 1309 - 1314 (2007/10/03)

A group of 1,2-diphenyl-3,5-dioxopyrazolidines possessing a methylsulfonyl (11) or sulfonamide (15) substituent at the para position of the N1-phenyl ring, in conjunction with a hydrogen, methyl or fluoro substituent at the para position of the

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