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159421-74-6

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159421-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159421-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,4,2 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 159421-74:
(8*1)+(7*5)+(6*9)+(5*4)+(4*2)+(3*1)+(2*7)+(1*4)=146
146 % 10 = 6
So 159421-74-6 is a valid CAS Registry Number.

159421-74-6Relevant articles and documents

1,3-Diphenylpropane-1,3-diamines, III: Synthesis of 1,3-bis(hydroxy-halogenophenyl)-propane-1,3-diamines and their Pt(II) complexes. Part A: synthesis of the ligands

Kammermeier,Wiegrebe

, p. 547 - 561 (2007/10/02)

The title diamines were prepared according to von Auwer's/Arakawa's procedures starting from appropriately substituted benzaldehydes and actophenones via chalcones, addition of two moles of hydroxylamine, reduction, and separation of diastereomers as N,N'-bisacetamides. - The Pt(II) complexes of the title ligands are described in the following paper.

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