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28708-23-8

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28708-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28708-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,0 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28708-23:
(7*2)+(6*8)+(5*7)+(4*0)+(3*8)+(2*2)+(1*3)=128
128 % 10 = 8
So 28708-23-8 is a valid CAS Registry Number.

28708-23-8Relevant articles and documents

2-Pyridyl glycoside: An alternative glycosyl donor in preactivation protocol

Xiong, De-Cai,Yang, An-Qi,Yu, Yang,Ye, Xin-Shan

supporting information, p. 211 - 214 (2015/02/05)

2-Pyridyl glycosides have been identified to be powerful glycosyl donors for the preactivation-based oligosaccharide synthesis. By using stoichiometric amount of Tf2O, the 2-pyridyl glycosides were pre-activated, which subsequently underwent gl

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