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198637-93-3

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198637-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198637-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,6,3 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 198637-93:
(8*1)+(7*9)+(6*8)+(5*6)+(4*3)+(3*7)+(2*9)+(1*3)=203
203 % 10 = 3
So 198637-93-3 is a valid CAS Registry Number.

198637-93-3Downstream Products

198637-93-3Relevant academic research and scientific papers

Deoxyxylothymidine 3'-O-phosphorothioates: Synthesis, stereochemistry and stereocontrolled incorporation into oligothymidylates

Yang, Xian-Bin,Misiura, Konrad,Sochacki, Marek,Stec, Wojciech J.

, p. 2651 - 2656 (2007/10/03)

New reagent, 5'-O-DMT-xylothymidine 3'-O-(2-thio-4,4-spiropentamethylene-1,3,2-oxathiaphospholane) and its separated diastereomers can be used for stereocontrolled incorporation of xylothymidine 3'-O-phosphorothioate of predetermined sense of P-chirality into desired oligonucleotide constructs.

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