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Phosphoric acid 2-chloro-phenyl ester (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-hydroxymethyl-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-3-yl ester 2,2,2-trichloro-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69971-21-7

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69971-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69971-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69971-21:
(7*6)+(6*9)+(5*9)+(4*7)+(3*1)+(2*2)+(1*1)=177
177 % 10 = 7
So 69971-21-7 is a valid CAS Registry Number.

69971-21-7Downstream Products

69971-21-7Relevant academic research and scientific papers

Chemical synthesis of a 5'- and 3'/2'-phosphorylated heptamer sequence of E. coli tRNAmetf: pAGCCUGG(3'/2')p via phosphorotriester methods

Hartog, J. A. J. den,Boom, J. H. van

, p. 275 - 284 (2007/10/02)

The synthesis of the 5'- and 3'/2'-phosphorylated heptamer sequence pAGCCUGG(3'/2')p, corresponding to the fragment 14-20 of E. coli tRNAmetf, is described.THe assemblage of the fully protected heptamer 16 was effected via a modified

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