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1,4,4-Trimethyl-2,3,5,6,11-pentaoxa-bicyclo[5.3.1]undecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77221-89-7

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77221-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77221-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,2 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77221-89:
(7*7)+(6*7)+(5*2)+(4*2)+(3*1)+(2*8)+(1*9)=137
137 % 10 = 7
So 77221-89-7 is a valid CAS Registry Number.

77221-89-7Downstream Products

77221-89-7Relevant academic research and scientific papers

Synthesis and X-Ray Analysis of 2,3,5,6,11-Pentaoxabicycloundecanes

Miura, Masahiro,Ikegami, Akio,Nojima, Masatomo,Kusabayashi, Shigekazu,McCullough, Kevin J.,Walkinshaw, Malcolm D.

, p. 1657 - 1664 (2007/10/02)

The reactions of bicyclic ozonides and aldehyde- or ketone-derived peroxides, performed or generated in situ, in the presence of chlorosulphonic acid afford the corresponding 2,3,5,6,11-pentaoxabicycloundecanes.In addition, 1,2,4,5-tetraoxans are often isolated from the product mixture.Mechanisms are proposed to account for the observed peroxidic products.An X-ray analysis of the crystalline product (4b) confirms the general structure and reveals that it is solely the exo-isomer.

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