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109766-39-4

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109766-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109766-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,6 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109766-39:
(8*1)+(7*0)+(6*9)+(5*7)+(4*6)+(3*6)+(2*3)+(1*9)=154
154 % 10 = 4
So 109766-39-4 is a valid CAS Registry Number.

109766-39-4Relevant articles and documents

HIGHLY REACTIVE CONDENSING AGENTS FOR THE SYNTHESIS OF OLIGONUCLEOTIDES BY THE PHOSPHOTRIESTER APPROACH

Devine, Kevin G.,Reese, Colin B.

, p. 5529 - 5532 (2007/10/02)

4,6-Dinitro-1-(mesitylene-2-sulphonyloxy)-benzotriazole , 1-(mesitylene-2-sulphonyloxy)-4-nitro-6-trifluoromethylbenzotriazole (6a) and 1-(mesitylene-2-sulphonyl)-4-nitro-1,2,3-triazole are more reactive condensing agents in the phosphotriester approach to oligonucleotide synthesis than 1-(mesitylene-2-sulphonyl)-3-nitro-1,2,4-triazole by factors of at least 10, ca. 4 and ca. 1.3, respectively.

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