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340721-55-3

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340721-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 340721-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,7,2 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 340721-55:
(8*3)+(7*4)+(6*0)+(5*7)+(4*2)+(3*1)+(2*5)+(1*5)=113
113 % 10 = 3
So 340721-55-3 is a valid CAS Registry Number.

340721-55-3Relevant articles and documents

Oligonucleotide analogues with a nucleobase-including backbone. Part 5: 2′-deoxy-8-(hydroxymethyl)adenosine- and 2′-deoxy-6-(hydroxymethyl)uridine-derived phosphoramidites: Synthesis and incorporation into 14-mer DNA strands

Czechtizky, Werngard,Vasella, Andrea

, p. 594 - 612 (2001)

The pairing propensity of new DNA analogues with a phosphinato group between O-C(3′) and a newly introduced OCH2 group at C(8) and C(6) of 2′-deoxyadenosine and 2′-deoxyuridine, respectively, was evaluated by force-field calculations and Maruze

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