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87943-92-8

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87943-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87943-92-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,4 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87943-92:
(7*8)+(6*7)+(5*9)+(4*4)+(3*3)+(2*9)+(1*2)=188
188 % 10 = 8
So 87943-92-8 is a valid CAS Registry Number.

87943-92-8Downstream Products

87943-92-8Relevant articles and documents

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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