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173847-41-1

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173847-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173847-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,8,4 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 173847-41:
(8*1)+(7*7)+(6*3)+(5*8)+(4*4)+(3*7)+(2*4)+(1*1)=161
161 % 10 = 1
So 173847-41-1 is a valid CAS Registry Number.

173847-41-1Downstream Products

173847-41-1Relevant articles and documents

PREPARATION AND CHROMATOGRAPHIC SEPARATION OF DIASTEREOISOMERIC DIAZA-DIPHOSPHA-MACROCYCLES

Wimmer, Petra,Widhalm, Michael

, p. 105 - 114 (2007/10/03)

Chiral macrocyclic binaphthyl derivatives, containing phosphorus and nitrogen hetero atoms, have been prepared as mixtures of three diastereoisomers.Their separation on a preparative scale was achieved after two chromatographic steps using polystyrene gel and strongly deactivated silica gel to avoid irreversible adsorption.A configurational assignment of the diastereoisomers was partly possible on the basis of NMR spectroscopy. - Key words: Gel chromatography; alane reduction (of haloamides); 1,1'-binaphthyls; chromatographic separation of diastereoisomers; diaza-diphospha-macrocycles a-macrocycles.

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