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34929-31-2

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34929-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34929-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,2 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34929-31:
(7*3)+(6*4)+(5*9)+(4*2)+(3*9)+(2*3)+(1*1)=132
132 % 10 = 2
So 34929-31-2 is a valid CAS Registry Number.

34929-31-2Downstream Products

34929-31-2Relevant articles and documents

Copper-catalyzed oxidative coupling of carboxylic acids with formamides for the synthesis of α,β-unsaturated amides

Li, Huamin,Pan, Changduo,Cheng, Yixiang,Zhu, Chengjian

, p. 6679 - 6681 (2013)

A novel and efficient protocol for the synthesis of α,β- unsaturated amides has been developed using catalytic amount of Cu(OAc) 2 and TBHP as an available oxidant. Oxidative coupling of various unsaturated carboxylic acids with N,N-disubstituted formamides was examined to furnish the desired products in good yields.

Condensation of aromatic aldehydes with VyV-dimethylacetamide in presence of dialkyl carbonates as dehydrating agents

Weidlich, Tomas,Prokes, Lubomir,Ruzicka, Ales,Padelkova, Zdenka

experimental part, p. 205 - 211 (2010/08/22)

Reactions of benzaldehydes with excess N,N- dimethylacetamide at 140 °C in the presence of diethyl carbonate as dehydrating agent and a base gave (E)-N,N- dimethylcinnamamides in good yields. If hydroxybenzal- dehydes are used as substrates the reaction is accompanied by alkylation. Springer-Verlag 2010.

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