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81279-40-5

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81279-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81279-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,7 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81279-40:
(7*8)+(6*1)+(5*2)+(4*7)+(3*9)+(2*4)+(1*0)=135
135 % 10 = 5
So 81279-40-5 is a valid CAS Registry Number.

81279-40-5Downstream Products

81279-40-5Relevant articles and documents

Modified phosphotriester method for chemical synthesis of ribooligonucleotides. Part I. Synthesis of riboundecaadenylate and two fragments constituting the sequence of R-17 translation control signal

Sung, Wing L.,Narang, Saran A.

, p. 111 - 120 (1982)

A modified phosphotriester method has been succesfully applied for the chemical synthesis of ribooligonucleotides.The starting material is a fully protected ribomononucleoside containing a 3'-phosphotriester group 5.The coupling reaction is performed usin

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