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220643-47-0

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220643-47-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220643-47-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,4 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220643-47:
(8*2)+(7*2)+(6*0)+(5*6)+(4*4)+(3*3)+(2*4)+(1*7)=100
100 % 10 = 0
So 220643-47-0 is a valid CAS Registry Number.

220643-47-0Relevant articles and documents

Introducing structural diversity in oligonycleotides via photolabile, convertible C5-substituted nucleotides

Kahl, Jeffrey D.,Greenberg, Marc M.

, p. 597 - 604 (1999)

Chemically synthesized oligonucleotides are functionalized at defined sites while in their protected form on solid-phase supports via the incorporation of nucleotides containing masked alkyl carboxylic acids or alkylamines. The reactive functional groups

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