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194021-27-7

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194021-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194021-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,0,2 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 194021-27:
(8*1)+(7*9)+(6*4)+(5*0)+(4*2)+(3*1)+(2*2)+(1*7)=117
117 % 10 = 7
So 194021-27-7 is a valid CAS Registry Number.

194021-27-7Downstream Products

194021-27-7Relevant articles and documents

Some new organotin(IV) complexes with kojic acid and maltol: Synthesis, characterization and thermal studies

Jain, Reena,Kaushik

, p. 713 - 725 (2008/10/08)

Organotin(IV) complexes of kojic acid and maltol of the type R3Sn(L) and R2Sn(L)Cl [R=C6H5CH2-, p-ClC6H4CH2-; HL=kojic acid, maltol] have been synthesized in anhydrous THF. They were characterized by UV, IR, 1H NMR, and mass spectral studies. Their activity vs. E. coli, S. aureus and P. pyocyanea bacterial strains have been studied and the general order of activity is S. auresu>P. pyocvanea>E. coli. In all the complexes, the ligand acts as bidentate, forming a five membered chelate ring. All the complexes are 1:1 metal ligand complexes. Various thermodynamic parameters have been calculated for the first two decomposition steps using TG/DTA/DSC curves, (p-ClC6H4CH2)3Sn(L) complexes have the minimum and (C6H5CH2)2Sn(L)Cl complexes have the maximum activation energy.

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