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676154-53-3

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676154-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 676154-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,1,5 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 676154-53:
(8*6)+(7*7)+(6*6)+(5*1)+(4*5)+(3*4)+(2*5)+(1*3)=183
183 % 10 = 3
So 676154-53-3 is a valid CAS Registry Number.

676154-53-3Relevant articles and documents

Preparation and antimicrobial activity evaluation of some quinoline derivatives containing an azole nucleus

Oezyanik, Muhammet,Demirci, Serpil,Bektas, Hakan,Demirbas, Neslihan,Demirbas, Ahmet,Karaoglu, Senguel Alpay

, p. 233 - 246 (2012/06/18)

Quinoline-2-carbohydrazide (2) obtained from quinaldic acid (1) was converted to the corresponding carbothioamide 3 and carboxamide 6 by treatment with benzyliso(thio)cyanate. The basic treatment of 3 and 6 yielded the corresponding 1,2,4-triazole derivatives 4 and 7. The synthesis of 5-(quinolin-2-yl)-1,3,4- oxadiazol-2-thiol (9) was performed from the reaction of 1 with CS2 in basic media. The Mannich reaction of compounds 4, 7, and 9 resulted in the formation of aminoalkylated derivatives 5a-c, 8, and 10a,b. The condensation of 1 with thiosemicarbazide, carbohydrazide, or thiocarbohydrazide gave the corresponding 1,2,4-triazole derivatives (11-13). The treatment of 4-amino-5-(quinolin-2-yl)-4H -1,2,4-triazole-3-thiol (13) with 4-chlorophenacyl bromide caused the formation of fused triazolothiadiazine 14. The condensation of 13 with 4-methoxybenzaldehyde generated the corresponding Schiff base 15. The newly synthesized compounds were characterized by elemental analyses, IR, 1H-NMR, 13C-NMR, and mass spectra. The antimicrobial activity study revealed that some of the newly synthesized compounds showed good to moderate activity against a variety of microorganisms.

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