Cas 290820-89-2,C<sub>50</sub>H<sub>40</sub>

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Check Digit Verification of cas no

The CAS Registry Mumber 290820-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 290820-89:
(8*2)+(7*9)+(6*0)+(5*8)+(4*2)+(3*0)+(2*8)+(1*9)=152
152 % 10 = 2
So 290820-89-2 is a valid CAS Registry Number.

290820-89-2Upstream product

290820-88-1 3-benzyl-3-(2,2-diphenylvinyl)-1,1,5,5-tetraphenyl-1,3-hexadiene

290820-89-2Downstream Products

290820-89-2Relevant academic research and scientific papers

The tri-π-methane rearrangement: Mechanistic and exploratory organic photochemistry

Zimmerman, Howard E.,Církva, Vladimír

, p. 2365 - 2367 (2000)

(equation presented) The di-π-methane rearrangement is firmly established as a mode of synthesizing three-membered-ring compounds. We now report the tri-π methane counterpart.

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