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157428-86-9

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157428-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157428-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157428-86:
(8*1)+(7*5)+(6*7)+(5*4)+(4*2)+(3*8)+(2*8)+(1*6)=159
159 % 10 = 9
So 157428-86-9 is a valid CAS Registry Number.

157428-86-9Relevant articles and documents

The Stereochemistry of Organometallic Compounds. XL. Rhodium-Catalysed Reactions of Hydrogen and Carbon Monoxide with Alkenylanilines

Anastasiou, Despina,Campi, Eva M.,Chaouk, Hassan,Fallon, Gary D.,Jackson, W. Roy,et al.

, p. 1043 - 1060 (2007/10/02)

Rhodium-catalysed reactions of o- or p-cyano-N-allylanilines with H2/CO give N-arylpyrrolidine aldehydes resulting from a double hydroformylation sequence.In contrast reactions of o- or p-methyl-N-allylanilines or N-allylaniline itself with H2/CO give 'dimeric' compounds resulting from self-condensation reactions of an initially formed hydroformylation product together with varying amounts of the double hydroformylation product.Similar reactions of o-cyano-N-but-3-enylanilines give low yields of double hydroformylation products and major products arising from hydrogenation or cross coupling of intermediate enamines.The structure of one of these products, N-2-cyanophenyl-5-(N'-2-cyanophenyl-3-methylpyrrolidin-2-yl)-1,2,3,4-tetrahydropyridine (17) (IUPAC name: 2--1,2,3,4-tetrahydropyridin-1-yl>benzonitrile) was confirmed by an X-ray single-crystal structure determination.

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