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851042-55-2

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851042-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851042-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,0,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 851042-55:
(8*8)+(7*5)+(6*1)+(5*0)+(4*4)+(3*2)+(2*5)+(1*5)=142
142 % 10 = 2
So 851042-55-2 is a valid CAS Registry Number.

851042-55-2Relevant articles and documents

Ruthenium-catalyzed regioselective 1,3-methylene transfer by cleavage of two adjacent σ-carbon-carbon bonds: An easy and selective synthesis of highly subsituted benzenes

Lian, Jian-Jou,Odedra, Arjan,Wu, Chang-Jung,Liu, Rai-Shung

, p. 4186 - 4187 (2005)

We report a new ruthenium-catalyzed 6-endo-dig cyclization of 6,6-cycloalkylidenyl-3,5-dien-1-ynes, which produces highly substituted benzenes with considerable structural reorganization. In this process, we observe a regioselective 1,3-methylene migratio

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