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99881-69-3

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99881-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99881-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99881-69:
(7*9)+(6*9)+(5*8)+(4*8)+(3*1)+(2*6)+(1*9)=213
213 % 10 = 3
So 99881-69-3 is a valid CAS Registry Number.

99881-69-3Relevant articles and documents

Stereoselective copper-catalyzed Chan-Lam-Evans N-arylation of glucosamines with arylboronic acids at room temperature

Bruneau, Alexandre,Brion, Jean-Daniel,Alami, Mouad,Messaoudi, Samir

supporting information, p. 8359 - 8361 (2013/09/23)

An efficient and practical N-arylation of glycosylamines with substituted aryl boronic acids has been established. Using Cu(OAc)2 and pyridine at room temperature under air atmosphere, the protocol proved to be general, and a variety of aryl N-glycosides have been prepared in good to excellent yields with exclusive β selectivity.

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