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190003-80-6

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190003-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190003-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,0,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 190003-80:
(8*1)+(7*9)+(6*0)+(5*0)+(4*0)+(3*3)+(2*8)+(1*0)=96
96 % 10 = 6
So 190003-80-6 is a valid CAS Registry Number.

190003-80-6Relevant articles and documents

Efficient and selective enzymatic acylation reaction: Separation of furanosyl and pyranosyl nucleosides

Maity, Jyotirmoy,Shakya, Gaurav,Singh, Sunil K.,Ravikumar, Vasulinga T.,Parmar, Virinder S.,Prasad, Ashok K.

, p. 5629 - 5632 (2008/12/21)

(Chemical Equation Presented) Candida antarctica lipase-B (CAL-B) immobilized on lewatite selectively acylated the primary hydroxyl group of the furanosyl nucleoside in a mixture of 1-(α-D-arabinofuranosyl)thymine and 1-(α-D-arabinopyranosyl)thymine. This selective biocatalytic acylation of furanosyl nucleoside has enabled us an easy separation of arabinofuranosyl thymine from an inseparable mixture with arabinopyranosyl thymine. The primary hydroxyl selective acylation methodology of arabinonucleoside has also been successfully used for the separation of 1-(β-D-xylofuranosyl)thymine and 1-(β-D-xylopyranosyl)thymine from a mixture of the two, which demonstrate the generality of the enzymatic methodology for separation of furanosyl and pyranosyl nucleosides.

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