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27206-57-1

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27206-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27206-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,0 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27206-57:
(7*2)+(6*7)+(5*2)+(4*0)+(3*6)+(2*5)+(1*7)=101
101 % 10 = 1
So 27206-57-1 is a valid CAS Registry Number.

27206-57-1Relevant articles and documents

Supramolecular layers and versatile packing modes: The solid state behavior of ortho, ortho-linked bisphenols

Augustin, André U.,Katzsch, Felix,Prior, Stephen H.,Gruber, Tobias

, p. 153 - 165 (2017)

A series of ortho-ortho-linked bisphenols featuring electron-withdrawing groups (EWGs) attached to the phenolic rings is reported. Their respective molecular structures and packing behaviors have been studied by X-ray diffraction, comparatively discussed

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