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181589-81-1

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181589-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181589-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,5,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 181589-81:
(8*1)+(7*8)+(6*1)+(5*5)+(4*8)+(3*9)+(2*8)+(1*1)=171
171 % 10 = 1
So 181589-81-1 is a valid CAS Registry Number.

181589-81-1Downstream Products

181589-81-1Relevant articles and documents

Metal complexes of biologically important ligands, CXIV ferrocenyl-oxazolones as N and C donors in Pd(II), Pt(II) and Ir(III) complexes and ferrocenoyl-dipeptides

Bauer, Werner,Polborn, Kurt,Beck, Wolfgang

, p. 269 - 279 (2007/10/03)

2-Ferrocenyl-4R-5(4H)-oxazolones 1-5 were obtained from N-ferrocenoyl-α-amino acids and function as N donors in dichloro-phosphine-palladium(II) and platinum(II) complexes 6-18. The reaction of ferrocenyl-oxazolone and ferrocenyl-bis(oxazolone) with [Cp*IrCl2]2 afforded trimetallic and pentametallic complexes 19 and 20 with a C,N bridging oxazolone. Ring opening of the ferrocenyl-oxazolones 1, 2 and 4 with α-amino acid esters gave N-ferrocenoyl-dipeptide esters 21-26. In the ferrocene bis(dipeptides) the two peptide esters are aligned parallel by hydrogen bonding. The structures of 6 and 19 were determined by X-ray diffraction.

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