Cas 117409-67-3,cis-9-Oxabicyclo<6.1.0>nonan-3-on

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Check Digit Verification of cas no

The CAS Registry Mumber 117409-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117409-67:
(8*1)+(7*1)+(6*7)+(5*4)+(4*0)+(3*9)+(2*6)+(1*7)=123
123 % 10 = 3
So 117409-67-3 is a valid CAS Registry Number.

117409-67-3Upstream product

4925-71-7 cis-1,2-epoxycyclooctane

117409-67-3Downstream Products

117409-77-5 10,11,12,13-Tetraphenyl-3-oxatricyclo<7.4.0.0^2,4>trideca-1(9),10,12-trien

117409-67-3Relevant articles and documents

Concerning the efficient conversion of epoxy alcohols into epoxy ketones using dioxiranes

D'Accolti, Lucia,Fusco, Caterina,Annese, Cosimo,Rella, Maria R.,Turteltaub, Joanna S.,Williard, Paul G.,Curci, Ruggero

, p. 8510 - 8513 (2004)

Representative epoxy alcohols are cleanly converted into the corresponding epoxy ketones in high yield by selective oxidation using dimethyldioxirane (1a) and its trifluoro analogue (1b) under mild conditions. The oxidation is found to take place leaving the configuration at the epoxy functionality unaffected. The direct oxyfunctionalization of simple cyclic epoxides with the powerful dioxirane 1b provides another attractive method to access epoxy ketones regioselectively.

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CAS

117409-67-3