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64768-18-9

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64768-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64768-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,6 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 64768-18:
(7*6)+(6*4)+(5*7)+(4*6)+(3*8)+(2*1)+(1*8)=159
159 % 10 = 9
So 64768-18-9 is a valid CAS Registry Number.

64768-18-9Relevant articles and documents

Copper-mediated O-arylation of lactols with aryl boronic acids

Sui, Jing-Jing,Xiong, De-Cai,Ye, Xin-Shan

supporting information, p. 1533 - 1537 (2019/06/21)

An efficient and novel methodology to access phenolic glycosides has been established by using copper-mediated coupling reaction of aryl boronic acids with hemiacetals. The reaction takes place normally in the presence of Cu(OAc)2 (1.0 equiv.) and pyridine (2.0 equiv.) at 40 °C. This protocol distinguishes itself by wide substrate scope, operational simplicity and giving rise to a myriad of phenolic glycosides in good to excellent yields.

REGIOSELECTIVE O-DEACYLATION OF FULLY ACYLATED GLYCOSIDES AND 1,2-O-ISOPORPYLIDENEALDOFURANOSE DERIVATIVES WITH HYDRAZINE HYDRATE

Ishido, Yoshiharu,Sakairi, Nobuo,Sekiya, Masao,Nakazaki, Nobuo

, p. 51 - 80 (2007/10/02)

On hydrazinolyis in 1:4 acetic acid-pyridine, and in pyridine, partisl O-deacylation of fully acylated methyl glycosides and some other glycosyl compounds ( 23 compounds ) was found to be induced, to give, in good yields, products bearing one free hydroxy

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