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72813-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72813-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,1 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72813-19:
(7*7)+(6*2)+(5*8)+(4*1)+(3*3)+(2*1)+(1*9)=125
125 % 10 = 5
So 72813-19-5 is a valid CAS Registry Number.

72813-19-5Relevant articles and documents

HPLC analysis of the product distrtoution in the iodine-catalyzed methyl glycosidation of pentoses and 6-deoxyhexoses

Gyemant, Gyoengyi,Liptak, Andras

, p. 359 - 368 (2007/10/03)

The product distribution of the iodine-catalyzed methyl glycosidation of four pentoses (D-ribose, D-arabinose, D-xylose, and D-lyxose) and two 6-deoxyhexoses (L-rhamnose, and D-fucose) was studied by HPLC using an APS column (dihydrogen sulphate form) with different acetonitrile-water mobile phases. In agreement with earlier results, a temperature dependent on-column isomerization was observed for all the investigated aid oses, except for ribose. The first-eluted furanosides were followed by pyranosides, and the free sugars were eluted last with the highest retention volumes.

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