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77203-68-0

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77203-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77203-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77203-68:
(7*7)+(6*7)+(5*2)+(4*0)+(3*3)+(2*6)+(1*8)=130
130 % 10 = 0
So 77203-68-0 is a valid CAS Registry Number.

77203-68-0Downstream Products

77203-68-0Relevant articles and documents

Synthesis and Biological Activity of Some Schiff Bases Derived from Thiazoles and Benzothiazoles

Dash, B.,Patra, M.,Praharaj, S.

, p. 894 - 897 (2007/10/02)

4-Aryl-2-aminothiazoles and 2-aminobenzothiazoles undergo condensation with salicylaldehyde in the presence of piperidine to give the schiff bases II and III, respectively.A similar reaction of 4-aryl-2-aminothiazole methiodides gives the schiff bases 4-aryl-2-(2'-hydroxyaryliminomethyl)thiazole methiodides (IV).Several schiff bases have been condensed with cyclohexanone and thioglycollic acid to furnish 4-aryl-2-(2'-hydroxy-α-substituted benzylamino)thiazoles (V) and 2-(2'-hydroxyphenyl) or naphthyl)-3-(4''-arylthiazol-2''-yl)-4-thiazolidones (VI), respectively.Structure elucidation of the schiff bases has been made on the basis of their elemental analyses, IR and mass spectral data.The biological screening data of the schiff bases and their metal complexes are also presented.

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