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854389-42-7

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854389-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 854389-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,3,8 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854389-42:
(8*8)+(7*5)+(6*4)+(5*3)+(4*8)+(3*9)+(2*4)+(1*2)=207
207 % 10 = 7
So 854389-42-7 is a valid CAS Registry Number.

854389-42-7Downstream Products

854389-42-7Relevant articles and documents

Inhibition of human thymidine phosphorylase by conformationally constrained pyrimidine nucleoside phosphonic acids and their "open-structure" isosteres

Ko?iová, Ivana,?imák, Ond?ej,Panova, Natalya,Budě?ínsky, Milo?,Petrová, Magdalena,Rejman, Dominik,Liboska, Radek,Páv, Ond?ej,Rosenberg, Ivan

, p. 145 - 168 (2014/02/14)

A series of conformationally constrained uridine-based nucleoside phosphonic acids containing annealed 1,3-dioxolane and 1,4-dioxane rings and their "open-structure" isosteres were synthesized and evaluated as potential multisubstrate-like inhibitors of t

Nucleosidyl-O-methylphosphonates: A pool of monomers for modified oligonucleotides

Rejman, Dominik,Masojidkova, Milena,Rosenberg, Ivan

, p. 1683 - 1705 (2007/10/03)

An unique set of 5′-O- and 3′-O-phosphonomethyl derivatives of four natural 2′-deoxyribonucleosides, 1-(2-deoxy-β-D-threo- pentofuranosyl)thymine, 5′-O- and 2′-O-phosphonomethyl derivatives of 1-(3-deoxy-β-D-erythro-pentofuranosyl)thymine, and 1-(3-deoxy-β-D- threo-pentofuranosyl)thymine has been synthesized as a pool of monomers for the synthesis of modified oligonucleotides. The phosphonate moiety was protected with 4-methoxy-1-oxido-2-pyridylmethyl ester group, serving also as an intramolecular catalyst in the coupling step.

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