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2-benzyl-7-bromo-tropone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128456-80-4

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128456-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128456-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128456-80:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*6)+(2*8)+(1*0)=144
144 % 10 = 4
So 128456-80-4 is a valid CAS Registry Number.

128456-80-4Downstream Products

128456-80-4Relevant academic research and scientific papers

Substituent Effects on the Acid-catalyzed Isomerization of 2-Cyclohepta-2,4,6-trienyltropone Derivatives to 2-Benzyltropones

Miyano, Hiroyuki,Nitta, Makoto

, p. 999 - 1004 (2007/10/02)

The acid-catalyzed isomerization of the cycloheptatriene ring of 2-cyclohepta-2,4,6-trienyltropones to give benzyltropones via the norcaradiene intermediate has been studied.In the cases of 7-substituted 2-cyclohepta-2,4,6-trienyltropones (1a-f), the firs

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