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1246493-45-7

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1246493-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246493-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,4,9 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1246493-45:
(9*1)+(8*2)+(7*4)+(6*6)+(5*4)+(4*9)+(3*3)+(2*4)+(1*5)=167
167 % 10 = 7
So 1246493-45-7 is a valid CAS Registry Number.

1246493-45-7Downstream Products

1246493-45-7Relevant articles and documents

Pharmacological evaluation and characterizations of newly synthesized 1,2,4-triazoles

Patel, Navin B.,Khan, Imran H.,Rajani, Smita D.

experimental part, p. 4293 - 4299 (2010/10/02)

The triazole analogs were obtained via. multistep synthesis sequence beginning with ethyl nicotinoate 3 which on treatment with hydrazine hydrate yields nicotinoyl hydrazide 4. Intermolecular cyclisation of 4 with 4-methylbenzoic acid in presence of phosphorous oxy chloride affords 2-(3-pyridyl)-5-(4-methylphenyl)-1,3,4-oxadiazole 5. Condensation of 5 with various substituted 2-hydrazino benzothiazole 2a-j results in 3-(3-pyridyl)-5-(4-methylphenyl)-4-(N-substituted-1,3-benzothiazol-2-amino) -4H-1,2,4-triazole 6a-j analogs. All the compounds have been characterized by elemental analysis, IR, 1H NMR, 13C NMR and mass spectral data. In vitro antitubercular activity was carried out against Mycobacterium tuberculosis H37Rv strain using Lowenstein-Jensen medium and antimicrobial activity against various bacteria and fungi using broth microdilution method. Compounds 2e, 6a, 6b, 6c, 6d, 6g, 6h and 6i emerged as promising antimicrobials. It was also observed that the promising antimicrobials have proved to be better antituberculars. Compound 6j showed better antitubercular activity compared to rifampicin. 3-(3-Pyridyl)-5-(4-methylphenyl) -4-(N-substituted-1,3-benzothiazol-2-amino)-4H-1,2,4-triazole 6a-j were synthesized and their antitubercular activity against H37Rv and antimicrobial activities have been tested.

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