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97187-20-7

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97187-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97187-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,8 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97187-20:
(7*9)+(6*7)+(5*1)+(4*8)+(3*7)+(2*2)+(1*0)=167
167 % 10 = 7
So 97187-20-7 is a valid CAS Registry Number.

97187-20-7Downstream Products

97187-20-7Relevant articles and documents

Synthesis of 5'--5'-deoxyadenosine

Kolb, Michael,Barth, Jacqueline

, p. 1036 - 1040 (2007/10/02)

The synthesis of the title compound 2 is described.N-Alkylation of 5'-amino-5'-deoxy-2',3'-O-(1-methylethylidene)adenosine (3) with benzene gave after debenzylation the 5'-deoxyadenosine derivative 4b.After derivatization of the 5'-NH, the terminal hydroxy group was reacted with triphenylphosphane, diethyl azodicarboxylate, and N-hydroxyphthalimide to yield a full protected derivative of 2.Sequential deprotection (H2NNH2, then H2SO4) afforded the target molecule 2 as its sesquisulfate salt.

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