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206861-69-0

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206861-69-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206861-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,8,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 206861-69:
(8*2)+(7*0)+(6*6)+(5*8)+(4*6)+(3*1)+(2*6)+(1*9)=140
140 % 10 = 0
So 206861-69-0 is a valid CAS Registry Number.

206861-69-0Relevant articles and documents

Synthesis and hybridization properties of an acyclic achiral phosphonate DNA analogue

Kehler, Jan,Henriksen, Ulla,Vejbjerg, Helene,Dahl, Otto

, p. 315 - 322 (2007/10/03)

Protected N-(2-hydroxyethyl)-N-(nucleobase- acetyl)aminomethanephosphonic acids (6a-d) of all four DNA nucleobases have been prepared and oligomerized by solid-phase synthesis. Four DNA decamers containing 1-10 of these 'PPNA' monomers were prepared and evaluated by T(m) measurements (medium salt) for binding to their DNA and RNA complements. One central modification reduced the binding strongly (?T(m) =-10 °C), but contiguous PPNA monomers gave smaller effects, and the all-PPNA decamer bound to RNA with a ?T(m) of -1.2°C per modification. Thus PPNA oligomers are inferior DNA and RNA binders compared to the closely related and strongly binding PNA oligomers.

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