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31505-94-9

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31505-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31505-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,0 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31505-94:
(7*3)+(6*1)+(5*5)+(4*0)+(3*5)+(2*9)+(1*4)=89
89 % 10 = 9
So 31505-94-9 is a valid CAS Registry Number.

31505-94-9Relevant articles and documents

A General Method of Synthesis of 5'-O-Dimethoxytrityl-3'-O-tetrahydropyranyl-N-acylribonucleosides

Kierzek, Ryszard,Markiewicz, Wojciech T.

, p. 29 - 36 (2007/10/02)

A general procedure for the synthesis of 5'-O-dimethoxytrityl-3'-O-tetrahydropyranyl-N-acylribonucleosides (9), useful substrates to the 2'-5'-oligoribonucleotides synthesis, has been described .

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