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1620558-16-8

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1620558-16-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620558-16-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,5,5 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1620558-16:
(9*1)+(8*6)+(7*2)+(6*0)+(5*5)+(4*5)+(3*8)+(2*1)+(1*6)=148
148 % 10 = 8
So 1620558-16-8 is a valid CAS Registry Number.

1620558-16-8Downstream Products

1620558-16-8Relevant articles and documents

Synthesis and evaluation of antimycobacterial activity of new benzimidazole aminoesters

Yoon, Yeong Keng,Ali, Mohamed Ashraf,Wei, Ang Chee,Choon, Tan Soo,Ismail, Rusli

, p. 614 - 624 (2015/03/18)

Abstract A total of 51 novel benzimidazoles were synthesized by a 4-step reaction starting from basic compound 4-fluoro-3-nitrobenzoic acid under relatively mild reaction conditions. The structure of the novel benzimidazoles was confirmed by mass spectra as well as 1H NMR spectroscopic data. Out of the 51 novel synthesized compounds, 42 of them were screened for their antimycobacterial activity against Mycobacterium tuberculosis H37Rv strain using BacTiter-Glo Microbial Cell Viability (BTG) method. Results of activity screened using Alamar Blue method was also provided for comparison purposes. Two of the novel benzimidazoles synthesized showed moderately good activity with IC50 of less than 15 μM. Compound 5g, ethyl 2-(4-(trifluoromethyl)phenyl)-1-(2-morpholinoethyl)-1H-benzo[d]imidazole-5-carboxylate, was found to be the most active with IC50 of 11.52 μM.

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