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

272777-08-9

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272777-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 272777-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,7,7 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 272777-08:
(8*2)+(7*7)+(6*2)+(5*7)+(4*7)+(3*7)+(2*0)+(1*8)=169
169 % 10 = 9
So 272777-08-9 is a valid CAS Registry Number.

272777-08-9Upstream product

272777-08-9Downstream Products

272777-08-9Relevant academic research and scientific papers

Chlorosulfonation of flavones

Silva, Ana M.G.,Tome, Augusto C.,Silva, Artur M.S.,Cavaleiro, Jose A.S.

, p. 113 - 124 (1998)

The chlorosulfonation of flavone and 4′-methoxyflavone with chlorosulfonic acid occurs regioselectively in ring B. The chlorosulfonyl flavones were converted into their corresponding sulfonamides and sulfonates by reaction with alkylamines, anilines, isop

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