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5-(4-bromophenylazo)-3-isopropenyltropolone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

129003-89-0

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129003-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129003-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,0,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129003-89:
(8*1)+(7*2)+(6*9)+(5*0)+(4*0)+(3*3)+(2*8)+(1*9)=110
110 % 10 = 0
So 129003-89-0 is a valid CAS Registry Number.

129003-89-0Downstream Products

129003-89-0Relevant academic research and scientific papers

Reactions of 3-Isopropenyltropolones with Bromine and N-Bromosuccinimide: Formation of 8H-Cycloheptafuran-8-one Derivatives

Jin, Ren-Hao,Yin, Bing-Zhu,Jin, Zhong-Tian,Imafuku, Kimiaki

, p. 583 - 586 (2007/10/02)

3-Isopropenyltropolones 1a-c were treated with bromine in carbon tetrachloride to give 3-methyl-8H-cycloheptafuran-8-ones 2a-c and their corresponding 7-bromo-substituted compounds 3a-c, while reactions in acetic acid gave the bromo-substituted compoun

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