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3-Methyl-5-oxo-4-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-2,5-dihydro-pyrazole-1-carboxylic acid phenylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

177544-15-9

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177544-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177544-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,4 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 177544-15:
(8*1)+(7*7)+(6*7)+(5*5)+(4*4)+(3*4)+(2*1)+(1*5)=159
159 % 10 = 9
So 177544-15-9 is a valid CAS Registry Number.

177544-15-9Downstream Products

177544-15-9Relevant academic research and scientific papers

Synthesis of 1-substituted and 1-unsubstituted 4-sulfonamido-1H-pyrazol-5(2H)-ones

Arcadi,Attanasi,De Crescentini,Rossi,Serra-Zanetti

, p. 533 - 536 (1996)

4-Sulfonamido-1H-pyrazol-5(2H)-ones bearing different substituent groups on the nitrogen atom in position 1 were easily obtained by reaction of conjugated azoalkenes with sulfonamides under mild conditions. 1-Unsubstituted title compounds were smoothly obtained by solvolytic cleavage of the substituent groups in methanol under reflux.

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