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83020-51-3

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83020-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83020-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,2 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83020-51:
(7*8)+(6*3)+(5*0)+(4*2)+(3*0)+(2*5)+(1*1)=93
93 % 10 = 3
So 83020-51-3 is a valid CAS Registry Number.

83020-51-3Relevant articles and documents

Synthesis and Complexing Properties of Diaza-Crown and Cryptand Ligands with Inward-Facing Phenolic Groups

Czech, Anna,Czech, Bronislaw P.,Bartsch, Richard A.,Chang, C. Allen,Ochaya, Ven O.

, p. 5 - 9 (2007/10/02)

Novel diaza-crown and cryptand molecules with inward-facing phenolic group are synthesized and found to exhibit enhanced complexation of transition and heavy metal cations when compared with closely related cyclic and bicyclic ligands that do not possess this auxiliary binding site.

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