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2H-1b,4-Ethanopentaleno[1,2-b]oxirene, hexahydro-, (1a-alpha-,1b-bta-,4-bta-,4a-alpha-,5a-alpha-)- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117221-80-4

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117221-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117221-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,2,2 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117221-80:
(8*1)+(7*1)+(6*7)+(5*2)+(4*2)+(3*1)+(2*8)+(1*0)=94
94 % 10 = 4
So 117221-80-4 is a valid CAS Registry Number.

117221-80-4Downstream Products

117221-80-4Relevant academic research and scientific papers

14. The Adamantane Rearrangement of Tricyclo1,5>decane to Tricyclo4,8>decane

Ghatak, Kanai L.,Ganter, Camille

, p. 124 - 129 (1988)

Regioselective generation of the C(2)-carbocation a of tricyclo1,5>decane (1) by treatment of both corresponding epimeric alcohols 5 and 6 with BF3 and trapping the rearranged tricyclo4,8>decan-7-yl carbocation b with Et3SiH as hydride-ion donor (ionic hydrogenation) gives the corresponding hydrocarbon 3 as sole product in almost quantitative yield.The latter is a known intermediate in the Lewis-acid-catalyzed rearrangement of 1 to adamantane (4).

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