Cas 128773-31-9,C28H24F6N4O4

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Check Digit Verification of cas no

The CAS Registry Mumber 128773-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,7 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128773-31:
(8*1)+(7*2)+(6*8)+(5*7)+(4*7)+(3*3)+(2*3)+(1*1)=149
149 % 10 = 9
So 128773-31-9 is a valid CAS Registry Number.

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128773-31-9Relevant academic research and scientific papers

Ein neuer Zugang zu Spiroorthocarbonaten und neuen Orthokohlensaeure-Derivaten

Mues, Peter,Buysch, Hans-Josef

, p. 249 - 252 (2007/10/02)

New and simple processes have been developed, which give in good or excellent yields new diphenoxyalkanediyldioxymethanes, symmetrical and unsymmetrical spiroorthocarbonates, spirocyclic orthothiocarbamic acid esters, and acetals of urea by successive or simultaneous substitution of chloro and phenoxy groups contained in dichlorodiphenoxymethane.

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