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161154-73-0

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161154-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161154-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,5 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 161154-73:
(8*1)+(7*6)+(6*1)+(5*1)+(4*5)+(3*4)+(2*7)+(1*3)=110
110 % 10 = 0
So 161154-73-0 is a valid CAS Registry Number.

161154-73-0Downstream Products

161154-73-0Relevant articles and documents

Spiroannelation Starting from β-Trifluoroacetylpyrrolidone

Bouillon, J.-Ph.,Janousek, Z.,Viehe, H.G.

, p. 2315 - 2322 (2007/10/02)

β-Trifluoroacetyl-N-methyl-2-pyrrolidone undergoes once or twice the Robinson annelation with methylvinylketone.The spiro compound 6 can be trifluoroacetylated to the corresponding 1,3-diketone 8 for heterocyclizations with bis-nucleophiles.Furthermore, 6 furnishes spirocyclohexadienone 15 with potential for aromatisation. 3-Trifluoroacetyl-2-pyrrolidone, the Robinson annelation, spirocyclic compounds, selenoxide elimination, cyclohexadienone

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