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68134-83-8

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68134-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68134-83-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,3 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68134-83:
(7*6)+(6*8)+(5*1)+(4*3)+(3*4)+(2*8)+(1*3)=138
138 % 10 = 8
So 68134-83-8 is a valid CAS Registry Number.

68134-83-8Relevant articles and documents

Analysis of the Chirality of 16O, 17O, 18O> Phosphate Esters by 31P Nuclear Magnetic Resonance Spectroscopy

Jarvest, Richard L.,Lowe, Gordon,Potter, Barry V. L.

, p. 3186 - 3195 (2007/10/02)

A stereospecific method for cyclising D-glucose 6-16O, 17O, 18O>phosphate and adenosine 5'-16O, 17O, 18O>-phosphate to their conformationally locked six-membered cyclic phosphate diesters has been developed.Using 16O, 17O, 18O>phosphate esters of known absolute configuration it is shown by 31P n.m.r. spectroscopy, after esterification to the axial and equatorial triesters, that the cyclisation occurs with inversion of configuration.It is now possible, therefore, to determine the chirality at phosphorus of D-glucose 6-16O, 17O, 18O>phosphate and adenosine 5'-16O, 17O, 18O>phosphate by this procedure.

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