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1428331-43-4

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1428331-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428331-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,3,3 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1428331-43:
(9*1)+(8*4)+(7*2)+(6*8)+(5*3)+(4*3)+(3*1)+(2*4)+(1*3)=144
144 % 10 = 4
So 1428331-43-4 is a valid CAS Registry Number.

1428331-43-4Downstream Products

1428331-43-4Relevant academic research and scientific papers

In vitro evolution of a Friedel-Crafts deoxyribozyme

Mohan, Utpal,Burai, Ritwik,McNaughton, Brian R.

, p. 2241 - 2244 (2013)

We report the in vitro selection of a single-stranded 72-nucleotide DNA enzyme (deoxyribozyme) that catalyzes a Friedel-Crafts reaction between an indole and acyl imidazole in good yield and in aqueous solvent. Appreciable Friedel-Crafts product requires addition of copper nitrate and the deoxyribozyme. We observe deoxyribozyme-mediated bond formation for both in cis and in trans Friedel-Crafts reactions.

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