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176172-02-4

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176172-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 176172-02-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,1,7 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 176172-02:
(8*1)+(7*7)+(6*6)+(5*1)+(4*7)+(3*2)+(2*0)+(1*2)=134
134 % 10 = 4
So 176172-02-4 is a valid CAS Registry Number.

176172-02-4Downstream Products

176172-02-4Relevant articles and documents

Radical-Cation Vinylcyclopropane Rearrangements by TiO2Photocatalysis

Maeta, Naoya,Kamiya, Hidehiro,Okada, Yohei

supporting information, p. 6551 - 6566 (2020/07/14)

Radical cation vinylcyclopropane rearrangements by TiO2 photocatalysis in lithium perchlorate/nitromethane solution are described. The reactions are triggered by oxidative single electron transfer, which is followed by immediate ring-opening of the cyclopropanes to generate distonic radical cations as unique reactive intermediates. This approach can also be applied to vinylcyclobutane, leading to the construction of six-membered rings. A stepwise mechanism via distonic radical cations is proposed based on preliminary mechanistic studies, which is supported by density functional theory calculations.

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