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129451-67-8

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129451-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129451-67-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,5 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129451-67:
(8*1)+(7*2)+(6*9)+(5*4)+(4*5)+(3*1)+(2*6)+(1*7)=138
138 % 10 = 8
So 129451-67-8 is a valid CAS Registry Number.

129451-67-8Relevant articles and documents

Convenient Synthesis of Oligoribonucleotides Having 2'-5' and/or 3'-5' Phosphodiester Linkage

Ozaki, Hiroaki,Nakamoto, Akio,Shimidzu, Takeo

, p. 959 - 962 (2007/10/02)

Sequence-defined oligoribonucleosides having 2'-5' and/or 3'-5' phosphodiester linkage have been synthesized by use of 5'-protected ribonucleoside 2',3'-cyclic phosphoramidite on solid support.In coupling reaction, pKa of azole as a catalyst governs the activation.The resulting 2'-5' and/or 3'-5' linked oligoribonucleotides were easily separated by reversed-phase chromatography.

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