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119898-90-7

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119898-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119898-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,8,9 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 119898-90:
(8*1)+(7*1)+(6*9)+(5*8)+(4*9)+(3*8)+(2*9)+(1*0)=187
187 % 10 = 7
So 119898-90-7 is a valid CAS Registry Number.

119898-90-7Relevant articles and documents

THE CHEMISTRY OF 2',3'-SECONUCLEOSIDES III. SYNTHESIS AND REACTIONS OF PURINE-2',3'-SECORIBONUCLEOSIDES

Beaton, Graham,Jones, Stanley A.,Walker, Richard T.

, p. 6419 - 6428 (2007/10/02)

5'-O-Protected purine-ribonucleosides were oxidised with periodate to give dialdehydes which upon reduction with sodium borohydride gave 5'-O-protected purine-2',3'-secoribonucleosides, which were converted into their 2',3'-di-O-mesyl derivatives.These we

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