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30448-31-8

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30448-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30448-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,4,4 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30448-31:
(7*3)+(6*0)+(5*4)+(4*4)+(3*8)+(2*3)+(1*1)=88
88 % 10 = 8
So 30448-31-8 is a valid CAS Registry Number.

30448-31-8Relevant articles and documents

Stereodefined homopropargyl amines by tandem nucleophilic addition/fragmentation of dihydropyridone triflates

Tummatorn, Jumreang,Dudley, Gregory B.

supporting information; experimental part, p. 158 - 160 (2011/03/20)

Dihydropyridone (DHPD) triflates undergo nucleophile-triggered fragmentation to provide homopropargyl amine derivatives, the stereochemistry of which is defined by starting from readily available β-amino esters.

Hydrogenation of β-N-substituted enaminoesters in the presence of ruthenium catalysts

Hebbache, Hania,Jerphagnon, Thomas,Hank, Zakia,Bruneau, Christian,Renaud, Jean-Luc

experimental part, p. 870 - 874 (2010/06/16)

β-Aminoesters were prepared in two simple steps from β-ketoesters derivatives and primary amines under mild conditions. Their hydrogenation was performed at 50 °C in the presence of several organometallic catalysts under acidic conditions. The new β-N-substituted aminoesters were isolated in moderate to good yields.

Hydrogenation of β-N-substituted and β-N,N-disubstituted enamino esters in the presence of iridium(I) catalyst

Hebbache, Hania,Hank, Zakia,Bruneau, Christian,Renaud, Jean-Luc

experimental part, p. 2627 - 2633 (2009/12/06)

Several new β-amino esters were prepared in two simple steps from β-keto ester derivatives and primary and secondary amines under mild conditions. The hydrogenation of various enamino esters was performed at 50°C in the presence of iridium catalysts. The new β-N-substituted amino esters were isolated in high yields. Georg Thieme Verlag Stuttgart.

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