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diethyl (E)-(1-phenyl-2-butenyl)malonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

136744-63-3

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136744-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136744-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,4 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136744-63:
(8*1)+(7*3)+(6*6)+(5*7)+(4*4)+(3*4)+(2*6)+(1*3)=143
143 % 10 = 3
So 136744-63-3 is a valid CAS Registry Number.

136744-63-3Downstream Products

136744-63-3Relevant articles and documents

REACTIONS OF TITANIUM DERIVATIVES OF SOME CH-ACIDS WITH CARBONYL COMPOUNDS. IV. SYNTHESIS AND SOME TRANSFORMATIONS OF DERIVATIVES OF (2-ALKENYLIDENE)MALONIC ACIDS

Kasatkin, A.N.,Biktimirov, R.Kh.,Kulak, A.N.,Tolstikov, G.A.

, p. 613 - 620 (2007/10/02)

Ester and nitrile derivatives of (2-alkylidene)malonic acids, obtained by the condensation of (i-PrO)3Ti derivatives of CH2(CO2Et)2, CH2(CN)CO2Et, and CH2(CN)2 with α,β-unsaturated aldehydes, react with NaBH4 and RMgX to give esters and nitriles of the corresponding allylmalonic acids.These reactions are accompanied by complete retention of the geometry of the residual double bonds.The reaction of diethyl (2-alkenylidene)malonates with PhCO3H leads to the selective formation of monoepoxides and does not affect the α,β-double bond.

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