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127563-77-3

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127563-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127563-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,5,6 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 127563-77:
(8*1)+(7*2)+(6*7)+(5*5)+(4*6)+(3*3)+(2*7)+(1*7)=143
143 % 10 = 3
So 127563-77-3 is a valid CAS Registry Number.

127563-77-3Relevant articles and documents

A green and convenient method for regioselective mono and multiple benzoylation of diols and polyols

Zhang, Xiaoling,Ren, Bo,Ge, Jiantao,Pei, Zhichao,Dong, Hai

supporting information, p. 1005 - 1010 (2016/02/03)

An efficient method for regioselective benzoylation of diols and polyols was developed. The benzoylation is catalyzed by only 0.2 equiv of benzoate anion in acetonitrile with the addition of a stoichiometric amount of benzoic anhydride under very mild condition, leading to high yields. Compared with all other methods, this method shows particular advantage in regioselective multiple benzoylation of polyols, and in avoiding the use of any metal-based catalysts and any amine bases, which is more environment-friendly.

Organosilicon-mediated regioselective acetylation of carbohydrates

Zhou, Yixuan,Ramstroem, Olof,Dong, Hai

supporting information; scheme or table, p. 5370 - 5372 (2012/06/18)

Organosilicon-mediated, regioselective acetylation of vicinal- and 1,3-diols is presented. Methyl trimethoxysilane or dimethyl dimethoxysilane was first used to form cyclic 1,3,2-dioxasilolane or 1,3,2-dioxasilinane intermediates, and subsequent acetate-c

Stereospecific ester activation in nitrite-mediated carbohydrate epimerization

Dong, Hai,Pei, Zhichao,Ramstroem, Olof

, p. 3306 - 3309 (2007/10/03)

The Lattrell-Dax method of nitrite-mediated substitution of carbohydrate triflates is an efficient method to generate structures of inverse configuration. In the present study, epimerization of gluco- and galactopyranoside derivatives to the corresponding

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