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503543-74-6

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503543-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503543-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,4 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 503543-74:
(8*5)+(7*0)+(6*3)+(5*5)+(4*4)+(3*3)+(2*7)+(1*4)=126
126 % 10 = 6
So 503543-74-6 is a valid CAS Registry Number.

503543-74-6Relevant articles and documents

Synthesis and antibacterial activity of benzothiazole and benzoxazole-appended substituted 1,2,3-triazoles

Chahal, Manisha,Kaushik, C. P.

, (2020/10/29)

Abstract: A series of benzothiazole and benzoxazole linked 1,4-disubstituted 1,2,3-triazoles was synthesized through copper(I) catalyzed azide-alkyne cycloaddition reaction. FTIR, 1H, 13C-NMR and HRMS techniques were used to examine the structure of synthesized derivatives. Further, these triazole derivatives were screened for in vitro antibacterial activities against two Gram-positive bacteria S. aureus, B. subtilis; two Gram-negative bacteria E. coli and K. pneumoniae by serial dilution technique, reflecting moderate to good activity. Compound 7s exhibited promising antibacterial activity among all the synthesized triazoles. Graphic abstract: [Figure not available: see fulltext.]

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