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889790-16-3

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889790-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889790-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,7,9 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 889790-16:
(8*8)+(7*8)+(6*9)+(5*7)+(4*9)+(3*0)+(2*1)+(1*6)=253
253 % 10 = 3
So 889790-16-3 is a valid CAS Registry Number.

889790-16-3Downstream Products

889790-16-3Relevant articles and documents

The new Schiff bases of 2-alkylthio-5-(4-aminophenyl)-1,3,4-oxadiazoles and their antimicrobial activity

Ismailova,Ziyaev,Bobakulov, Kh. M.,Sasmakov,Makhmudov,Yusupova,Azimova, Sh. S.

, p. 545 - 551 (2019)

By the reaction of 5-(4-aminophenyl)-1,3,4-oxadiazolin-2-thione with alkyl halides 2-alkylthio-5-(4-aminophenyl)-1,3,4-oxadiazoles, 2–4 were obtained. By the reaction of compounds 2–4 with aromatic aldehydes, new Schiff bases 5a–d and 6a–d were synthesized. The structures of synthesized compounds are confirmed by the IR, UV, 1H NMR for all compounds, 13C NMR for compounds 3, 4, 5a–5d, 6a, 6d and X-ray for compound 3. All substances were tested in vitro for their antibacterial and antifungal activity. The results showed that Compound 2 exhibited remarkable activity against Candida albicans. Compounds 5а–d were found to exhibit a weak selective activity against Gram-positive bacteria of Bacillus subtilis and compounds 6а–d against Gram-negative bacteria of Escherichia coli.

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