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4356-79-0

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4356-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4356-79-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,5 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4356-79:
(6*4)+(5*3)+(4*5)+(3*6)+(2*7)+(1*9)=100
100 % 10 = 0
So 4356-79-0 is a valid CAS Registry Number.

4356-79-0Relevant articles and documents

H-bonding activation in highly regioselective acetylation of diols

Zhou, Yixuan,Rahm, Martin,Wu, Bin,Zhang, Xiaoling,Ren, Bo,Dong, Hai

, p. 11618 - 11622 (2013/12/04)

H-bonding activation in the regioselective acetylation of vicinal and 1,3-diols is presented. Herein, the acetylation of the hydroxyl group with acetic anhydride can be activated by the formation of H-bonds between the hydroxyl group and anions. The reaction exhibits high regioselectivity when a catalytic amount of tetrabutylammonium acetate is employed. Mechanistic studies indicated that acetate anion forms dual H-bonding complexes with the diol, which facilitates the subsequent regioselective monoacetylation.

Selective 6-O-Debenzylation of mono- and disaccharide derivatives using ZnCl2-Ac2O-HOAc

Yang, Guangbin,Ding, Xianglan,Kong, Fanzuo

, p. 6725 - 6728 (2007/10/03)

Freshly fused ZnCl2 in Ac2O/HOAc at room temperature has been used for 6-O-debenzylation of mono- and disaccharide derivatives giving yields more than 80%. Notably, allyl, acetyl, benzoyl, tosyl, thiono groups are unaffected under th

The function of the 5-hydroxymethyl group of lactose in enzymatic hydrolysis with beta-galactosidase from E. coli.

Adelhorst,Bock

, p. 1114 - 1121 (2007/10/02)

A series of 6-substituted methyl lactoside derivatives together with methyl allolactoside and (6S)-methyl [6-2H]lactoside have been synthesized and characterized by NMR spectroscopy. All compounds were tested as substrates for the enzyme beta-galactosidas

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