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Benzenesulfonamide, 4-[(3,4-dihydroxyphenyl)azo]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99989-56-7

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99989-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99989-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99989-56:
(7*9)+(6*9)+(5*9)+(4*8)+(3*9)+(2*5)+(1*6)=237
237 % 10 = 7
So 99989-56-7 is a valid CAS Registry Number.

99989-56-7Downstream Products

99989-56-7Relevant academic research and scientific papers

Selective COX-2 inhibitors. Part 1: Synthesis and biological evaluation of phenylazobenzenesulfonamides

Tsai, Wei-Jern,Shiao, Young-Ji,Lin, Shwu-Jiuan,Chiou, Wen-Fei,Lin, Lie-Chwen,Yang, Tsang-Hsiung,Teng, Che-Ming,Wu, Tain-Shung,Yang, Li-Ming

, p. 4440 - 4443 (2007/10/03)

A series of phenylazobenzenesulfonamide derivatives were designed and synthesized for the evaluation as selective cyclooxygenase-2 (COX-2) inhibitors in a cellular assay using human whole blood (HWB) and an enzymatic assay using purified ovine enzymes. Ex

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