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184239-14-3

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184239-14-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184239-14-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,2,3 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 184239-14:
(8*1)+(7*8)+(6*4)+(5*2)+(4*3)+(3*9)+(2*1)+(1*4)=143
143 % 10 = 3
So 184239-14-3 is a valid CAS Registry Number.

184239-14-3Downstream Products

184239-14-3Relevant articles and documents

Transglycosylation specificity of Acremonium sp. α-rhamnosyl-β- glucosidase and its application to the synthesis of the new fluorogenic substrate 4-methylumbelliferyl-rutinoside

Mazzaferro, Laura S.,Pi?uel, Lucrecia,Erra-Balsells, Rosa,Giudicessi, Silvana L.,Breccia, Javier D.

scheme or table, p. 69 - 75 (2012/02/05)

Transglycosylation potential of the fungal diglycosidase α-rhamnosyl-β-glucosidase was explored. The biocatalyst was shown to have broad acceptor specificity toward aliphatic and aromatic alcohols. This feature allowed the synthesis of the diglycoconjugated fluorogenic substrate 4-methylumbelliferyl-rutinoside. The synthesis was performed in one step from the corresponding aglycone, 4-methylumbelliferone, and hesperidin as rutinose donor. 4-Methylumbelliferyl-rutinoside was produced in an agitated reactor using the immobilized biocatalyst with a 16% yield regarding the sugar acceptor. The compound was purified by solvent extraction and silica gel chromatography. MALDI-TOF/TOF data recorded for the [M+Na]+ ions correlated with the theoretical monoisotopic mass (calcd [M+Na]+: 507.44 m/z; obs. [M+Na]+: 507.465 m/z). 4-Methylumbelliferyl-rutinoside differs from 4-methylumbelliferyl-glucoside in the rhamnosyl substitution at the C-6 of glucose, and this property brings about the possibility to explore in nature the occurrence of endo-β-glucosidases by zymographic analysis.

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