Cas 127840-89-5,C90H90O18S

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Check Digit Verification of cas no

The CAS Registry Mumber 127840-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127840-89:
(8*1)+(7*2)+(6*7)+(5*8)+(4*4)+(3*0)+(2*8)+(1*9)=145
145 % 10 = 5
So 127840-89-5 is a valid CAS Registry Number.

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127840-89-5Relevant academic research and scientific papers

AN EFFICIENT THIOGLYCOSIDE-MEDIATED FORMATION OF α-GLYCOSIDIC LINKAGES PROMOTED BY IODONIUM DICOLLIDINE PERCHLORATE

Veeneman, G. H.,Boom, J. H. van

, p. 275 - 278 (1990)

Chemospecific glycosidation of partially-benzoylated thioglycosides ("disarmed" acceptors) with perbenzylated thioglycosides ("armed" donors) can be realized in the presence of the promotor iodonium dicollidine perchlorate.The reaction results predominantly in the formation of α-linked saccharides and is compatible with the use of various protecting groups.

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