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220399-23-5

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220399-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220399-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,9 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220399-23:
(8*2)+(7*2)+(6*0)+(5*3)+(4*9)+(3*9)+(2*2)+(1*3)=115
115 % 10 = 5
So 220399-23-5 is a valid CAS Registry Number.

220399-23-5Downstream Products

220399-23-5Relevant articles and documents

Facile synthesis of benzobisimidazole and bibenzimidazole-based bisnitriles as potential precursors for DNA minor groove binders

Farahat, Abdelbasset A.,Iwamoto, Satori,Roche, Michael,Boykin, David W.

, p. 2280 - 2286 (2021/08/16)

The synthesis of bisnitrile derivatives of benzobisimidazole and bibenzimidazole in a good yield is described in detail for the first time. Nucleophilic substitution of 1,5-difluoro-2,4-dinitrobenzene using different amines produced the intermediate diami

Catalytic Deprotonative α-Formylation of Heteroarenes by an Amide Base Generated in Situ from Tetramethylammonium Fluoride and Tris(trimethylsilyl)amine

Shigeno, Masanori,Fujii, Yuki,Kajima, Akihisa,Nozawa-Kumada, Kanako,Kondo, Yoshinori

, p. 443 - 451 (2019/04/30)

Heteroarene formylations in DMF solution proceed in the presence of an amide base catalyst generated in situ from tetramethylammonium fluoride (TMAF) and tris(trimethylsilyl)amine (N(TMS)3). The reaction proceeds at room temperature and has an operationally simple procedure. Various heteroarenes, including benzothiophene, thiophene, benzothiazole, oxazole, and indole derivatives, can be formylated with high functional group tolerance.

Synthesis and evaluation of thiophene-based guanylhydrazones (iminoguanidines) efficient against panel of voriconazole-resistant fungal isolates

Ajda?i?, Vladimir,Senerovic, Lidija,Vrani?, Marija,Pekmezovic, Marina,Arsic-Arsnijevic, Valentina,Veselinovic, Aleksandar,Veselinovic, Jovana,?olaja, Bogdan A.,Nikodinovic-Runic, Jasmina,Opsenica, Igor M.

, p. 1277 - 1291 (2016/03/01)

A series of new thiophene-based guanylhydrazones (iminoguanidines) were synthesized in high yields using a straightforward two-step procedure. The antifungal activity of compounds was evaluated against a wide range of medicaly important fungal strains inc

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