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3'-O-p-methylbenzoyl-5'-O-monomethoxytrityl-N6-benzoyladenylyl-(2'->5')-3'-O-methylbenzoyl-N6-benzoyladenylyl-(2'->5')-2',3'-di-O-acetyl-N6-benzoyladenosine P1,P2-bis 2-cyanoethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81691-45-4

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81691-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81691-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81691-45:
(7*8)+(6*1)+(5*6)+(4*9)+(3*1)+(2*4)+(1*5)=144
144 % 10 = 4
So 81691-45-4 is a valid CAS Registry Number.

81691-45-4Relevant academic research and scientific papers

SYNTHESIS OF ADENYLYL-(2'->5')ADENYLYL-(2'->5')ADENOSINE

Karpeisky, Marat Yu.,Beigelman, Leon N.,Mikhailov, Sergey N.,Padyukova, Nelly Sh.,Smrt, Jiri

, p. 156 - 166 (2007/10/02)

Three syntheses of adenylyl-(2'->5')-adenylyl-(2'->5')-adenosine (1b) are described.In the first, adenosine 2'(3') phosphate is polymerized by the action of diphenylphosphorochloridate, and the 3'->5' internucleotidic linkages and the terminal phosphoryl

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