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(+/-)-2-diphenylphosphino-1,1'-(1-N,N-dimethylaminopropane-1,3-diyl)ferrocene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

175890-06-9

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175890-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175890-06-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,8,9 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 175890-06:
(8*1)+(7*7)+(6*5)+(5*8)+(4*9)+(3*0)+(2*0)+(1*6)=169
169 % 10 = 9
So 175890-06-9 is a valid CAS Registry Number.

175890-06-9Relevant articles and documents

Isomeric diphosphines of a heteroannularly bridged ferrocene: Preparation, chromatographic separation and structure elucidation

Kutschera, Georg,Kratky, Christoph,Weissensteiner, Walter,Widhalm, Michael

, p. 195 - 208 (2007/10/03)

Twofold lithiation of the heteroannularly bridged aminophosphine 5 yielded a mixture of five isomeric aminodiphosphines 7a-7d and 11, which were separated by adsorption chromatography. Their substitution pattern was elucidated by X-ray structure analyses and chemical correlation. Corresponding diphosphines 10a-10d were derived with moderate yields via acetates 8a-8d. A search for stable conformers of 7a-7d and 11 was conducted using empirical force field calculations. Calculated minimum-energy geometries were compared with crystal structures of 7a, 7c and 7d.

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