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22068-55-9

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22068-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22068-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,6 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22068-55:
(7*2)+(6*2)+(5*0)+(4*6)+(3*8)+(2*5)+(1*5)=89
89 % 10 = 9
So 22068-55-9 is a valid CAS Registry Number.

22068-55-9Relevant articles and documents

Synthesis and evaluation of guanidine-containing schiff base copper(II), zinc(II), and iron(III) chelates as trypsin inhibitors

Toyota, Eiko,Sekizaki, Haruo,Itoh, Kunihiko,Tanizawa, Kazutaka

, p. 625 - 629 (2003)

3-Formyl-4-hydroxyphenylguanidine hydrochloride and its Schiff base copper(II), zinc(II), and iron(III) chelates were synthesized and their inhibitory activity against bovine β-trypsin were determined. Syntheses of Schiff base metal chelates were carried

Acetalization of carbonyl compounds catalyzed by bismuth triflate under solvent-free conditions

Aliyan, Hamid,Fazaeli, Razieh,Massah, Ahmad Reza,Momeni, Ahmad Reza,Naghash, Hamid Javaherian,Moeinifard, Behzad

experimental part, p. 873 - 876 (2012/04/05)

Carbonyl compounds were converted to the corresponding 1,3-dioxolanes and 1,3-dioxanes with ethylene glycol and 1,3-propandiol in the presence of bismuth triflate under solvent-free conditions. In addition, high chemoselective protection of aldehydes in the presence of ketones has been achieved.

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