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193953-69-4

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193953-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193953-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,5 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 193953-69:
(8*1)+(7*9)+(6*3)+(5*9)+(4*5)+(3*3)+(2*6)+(1*9)=184
184 % 10 = 4
So 193953-69-4 is a valid CAS Registry Number.

193953-69-4Relevant articles and documents

Glycosyl donors with phosphorimidate leaving groups for either α- or β-glycosidation

Pan, Shifeng,Li, Hao,Hong, Feng,Yu, Biao,Zhao, Kang

, p. 6139 - 6142 (2007/10/03)

Glycosyl N-phenyl diethyl phosphorimidates, readily prepared via the Staudinger reaction of glycosyl diethyl phosphites with phenyl azide, served as efficient glycosyl donors for the formation of either 1,2-cis or 1,2-trans glycosidic bonds under selected reaction conditions.

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