The CAS Registry Mumber 98921-82-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 98921-82: (7*9)+(6*8)+(5*9)+(4*2)+(3*1)+(2*8)+(1*2)=185 185 % 10 = 5 So 98921-82-5 is a valid CAS Registry Number.
2'-Deoxytubercidin: Synthesis of its O-3'-phosphoramidite and condensation to 2'-deoxytubercidylyl (3'→5')-2'-deoxytubercidin
Seela,Kehne
, p. 5387 - 5392 (2007/10/02)
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