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161803-04-9

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161803-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161803-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161803-04:
(8*1)+(7*6)+(6*1)+(5*8)+(4*0)+(3*3)+(2*0)+(1*4)=109
109 % 10 = 9
So 161803-04-9 is a valid CAS Registry Number.

161803-04-9Relevant articles and documents

Photoresponsive Formation of an Intermolecular Minimal G-Quadruplex Motif

Thevarpadam, Julie,Bessi, Irene,Binas, Oliver,Gon?alves, Diana P. N.,Slavov, Chavdar,Jonker, Hendrik R. A.,Richter, Christian,Wachtveitl, Josef,Schwalbe, Harald,Heckel, Alexander

, p. 2738 - 2742 (2016)

The ability of three different bifunctional azobenzene linkers to enable the photoreversible formation of a defined intermolecular two-tetrad G-quadruplex upon UV/Vis irradiation was investigated. Circular dichroism and NMR spectroscopic data showed the formation of G-quadruplexes with K+ ions at room temperature in all three cases with the corresponding azobenzene linker in an E conformation. However, only the para-para-substituted azobenzene derivative enables photoswitching between a nonpolymorphic, stacked, tetramolecular G-quadruplex and an unstructured state after E-Z isomerization.

Prodrugs of protein tyrosine kinase inhibitors

-

, (2008/06/13)

A compound which comprises a prodrug of a protein tyrosine kinase inhibitor (PTKi) linked to a protecting group which is capable of being cleaved from the compound to release the PTKi, said PTKi prodrugs including tyrphostins, of formula (I), STR1 where X

Improvements relating to prodrugs

-

, (2008/06/13)

A prodrug of the general formula FTLi-(PRT)m, where m is an integer from 1 to 5; FTLi is a ras inhibitor such as a farnesyltransferase inhibitor compound, such as Ia, Ib, Ic; and PRT represents m protecting groups or a precursor thereof, such as compound

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