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171598-28-0

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171598-28-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171598-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,9 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 171598-28:
(8*1)+(7*7)+(6*1)+(5*5)+(4*9)+(3*8)+(2*2)+(1*8)=160
160 % 10 = 0
So 171598-28-0 is a valid CAS Registry Number.

171598-28-0Downstream Products

171598-28-0Relevant articles and documents

Asymmetric and doubly asymmetric 1,3-dipolar cycloadditons in the synthesis of enantiopure organophosphorus compounds

Pietrusiewicz, K. Michal,Holody, Wieslawa,Koprowski, Marek,Cicchi, Stefano,Goti, Andrea,Brandi, Alberto

, p. 389 - 392 (1999)

Enantiopure five-membered ring nitrones derived from L-tartaric acid and from L-malic acid undergo highly regio- and stereoselective cycloaddition reactions with an excess of racemic 2,3-dihydro-1-phenyl-1H-phospholes producing two readily separable tricy

Stereoselective synthesis and resolution of P-chiral phosphine chalcogenides

Pietrusiewicz, K. Michal

, p. 573 - 576 (2007/10/03)

New synthetic methods and resolution procedures securing ready access to the resolved P-chiral phosphinoylethenes, phosphinoylacetates and secondary phosphine oxides of diversified structures have been developed. The methods are based on processes employing stereoselective nucleophilic displacement at phosphorus, asymmetric deprotonation, immolative vinyl and chirality transfer from sulfur to phosphorus, chemical and enzymatic kinetic resolution, resolution via covalent diastereoisomers, as well as direct resolution of racemates by classical resolving agents and by chromatography on chiral stationary phases.

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