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129789-64-6

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129789-64-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129789-64-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,8 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129789-64:
(8*1)+(7*2)+(6*9)+(5*7)+(4*8)+(3*9)+(2*6)+(1*4)=186
186 % 10 = 6
So 129789-64-6 is a valid CAS Registry Number.

129789-64-6Relevant articles and documents

Solution phase synthesis of dithymidine phosphorodithioate using new S- protecting groups in combination with a chemoselective coupling reagent (PyNOP)

Kehler, Jan,Pueschl, Ask,Dahl, Otto

, p. 23 - 32 (1997)

A method for the synthesis of O-thymidin-3'-yl S-alkyl dithiophosphate monomers 1 with different S-protecting groups has been developed. These have been used for solution phase synthesis of dithymidine phosphorodithioate by a new phosphotriester method. C

Synthesis of dinucleoside and dinucleotide phosphorodithioates via a phosphotriester approach

Yau, Eric K.,Ma, Yun-Xi,Caruthers

, p. 1953 - 1956 (2007/10/02)

5′ -O-Dimethoxytrityl and S-protected thymidine-3′ -phosphorodithioate, 3′ -O-acetylthymidine or thymidine-3′ -O-[β-cyanoethyl-(S-2,4-dichlorobenzyl)]-phosphorodithioate, 1-methylimidazole, and 2,4,6-triisopropylbenzenesulfonylchloride react to give excel

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