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1345459-55-3

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1345459-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1345459-55-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,4,5 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1345459-55:
(9*1)+(8*3)+(7*4)+(6*5)+(5*4)+(4*5)+(3*9)+(2*5)+(1*5)=173
173 % 10 = 3
So 1345459-55-3 is a valid CAS Registry Number.

1345459-55-3Downstream Products

1345459-55-3Relevant articles and documents

Difluoromethylbenzoxazole pyrimidine thioether derivatives: A novel class of potent non-nucleoside HIV-1 reverse transcriptase inhibitors

Boyer, Jérémie,Arnoult, Eric,Médebielle, Maurice,Guillemont, Jér?me,Unge, Johan,Jochmans, Dirk

, p. 7974 - 7985 (2012/01/13)

This paper reports the synthesis and antiviral properties of new difluoromethylbenzoxazole (DFMB) pyrimidine thioether derivatives as non-nucleoside HIV-1 reverse transcriptase inhibitors. By use of a combination of structural biology study and traditional medicinal chemistry, several members of this novel class were synthesized using a single electron transfer chain process (radical nucleophilic substitution, SRN1) and were found to be potent against wild-type HIV-1 reverse transcriptase, with low cytotoxicity but with moderate activity against drug-resistant strains. The most promising compound 24 showed a significant EC50 value close to 6.4 nM against HIV-1 IIIB, a moderate EC50 value close to 54 μM against an NNRTI resistant double mutant (K103N + Y181C), but an excellent selectivity index >15477 (CC50 > 100 μM).

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