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13039-78-6

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13039-78-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13039-78-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,3 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13039-78:
(7*1)+(6*3)+(5*0)+(4*3)+(3*9)+(2*7)+(1*8)=86
86 % 10 = 6
So 13039-78-6 is a valid CAS Registry Number.

13039-78-6Upstream product

13039-78-6Relevant articles and documents

SYNTHESIS AND N.M.R.-SPECTRAL ANALYSIS OF UNENRICHED AND -ENRICHED 5-DEOXYPENTOSES AND 5-O-METHYLPENTOSES

Snyder. Joseph R.,Serianni, Anthony S.

, p. 169 - 188 (2007/10/02)

Chemical methods are described for preparing unenriched and -enriched 5-deoxy- and 5-O-methyl-pentoses in the D or L configuration.The 1H-n.m.r.-spectra of these compounds have been interpreted, and the 13C n.m.r. spectra assigned with the aid of 2-D 13C-1H chemical-shift correlation spectroscopy.Tautomeric forms (furanoses, hydrate, and aldehyde) in solution in 2H2O have been quantified with the aid of -enriched derivatives.Spectra of 5-deoxypentoses, and methyl pentofuranosides have been compared, in order to assess the effect of 5-C-deoxygenation and 5-O-methylation on chemical shifts and coupling constants (1H-1H, 13C-1H, and 13C-13C) and on the pentofuranose conformations.

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