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149950-43-6

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149950-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149950-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,5 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149950-43:
(8*1)+(7*4)+(6*9)+(5*9)+(4*5)+(3*0)+(2*4)+(1*3)=166
166 % 10 = 6
So 149950-43-6 is a valid CAS Registry Number.

149950-43-6Downstream Products

149950-43-6Relevant articles and documents

Formation of beta-fructosyl compounds of pyridoxine in growing culture of Aspergillus niger.

Suzuki,Uchida

, p. 875 - 880 (2007/10/02)

Two pyridoxine compounds were found to be formed in a culture filtrate of Aspergillus niger and A. sydowi, when grown in a medium containing sucrose and pyridoxine. Each of the two compounds I and II was obtained as a white powdered preparation by preparative paper chromatography, gel filtration on Toyopearl HW-40S and Sephadex G-10 columns, DEAE-cellulose column chromatography, and lyophilization. Compounds I and II were identified as 5'-O-(beta-D-fructofuranosyl)-pyridoxine and 5'-O-[beta-D-fructofuranosyl-(2-->1)-beta-D-fructofuranosyl]-pyridoxine, on the basis of the various experimental results, viz., elementary analyses, UV, 1H-, and 13C-NMR spectra, products by hydrolysis with acid and yeast beta-D-fructofuranosidase, migration on paper electrophoresis, and Gibbs reaction in the presence and absence of boric acid. Levansucrase from Microbacterium laevaniformans and yeast beta-D-fructofuranosidase did not catalyze the beta-D-fructofuranosyl transfer from sucrose to pyridoxine to give rise to beta-D-fructofuranosyl-pyridoxine.

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