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133728-83-3

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133728-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133728-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,2 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133728-83:
(8*1)+(7*3)+(6*3)+(5*7)+(4*2)+(3*8)+(2*8)+(1*3)=133
133 % 10 = 3
So 133728-83-3 is a valid CAS Registry Number.

133728-83-3Relevant articles and documents

PHOSPHORAMIDITE BUILDING BLOCKS FOR SUGAR-CONJUGATED OLIGONUCLEOTIDES

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Paragraph 0173, (2016/04/19)

Novel nucleoside phosphoramidite building blocks for preparation of synthetic oligonucleotides containing at least one phosphotriester linkage conjugated to a monosaccharide and synthetic processes for making the same are disclosed. Furthermore, oligomeri

Method of preparing phosphoramidites

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Example 9, (2008/06/13)

Improved methods for preparation of phosphoramidite compounds are disclosed. The phosphoramidites are useful, for example, for the preparation of oligonucleotides by solid state oligonucleotide synthetic regimes.

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