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118509-17-4

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118509-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118509-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,0 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 118509-17:
(8*1)+(7*1)+(6*8)+(5*5)+(4*0)+(3*9)+(2*1)+(1*7)=124
124 % 10 = 4
So 118509-17-4 is a valid CAS Registry Number.

118509-17-4Relevant articles and documents

Reaction of 3-Hydrazino-5,6-diphenyl-1,2,4-triazine with Unsymmetrical 1,3-Bicarbonyl Compounds : Synthesis of Some New 3-(3',5'-Disubstituted pyrazol-1'-yl)-5,6-diphenyl-1,2,4-triazines and Their Antimicrobial Activity

Abdel-Rahman, R. M.

, p. 548 - 553 (2007/10/02)

The reactions of 3-hydrazino-5,6-diphenyl-1,2,4-triazine (I) with unsymmetrical 1,3-bicarbonyl compounds such as α-cyanoacetophenone, benzoylacetanilide, anilino-α,β-unsaturated ketone, benzoylacetic acid hydrazide, N1-cyanoacetyl-N2-benzoylacetylhydrazine, N1-benzene-N2-benzoyl-acetylhydrazine, 1,1,1-trifluoroacetylacetone, 1,1,1,5,5,5-hexafluoropenta-2,4-dione and 1-benzoylacetone-2-oxime, have been studied in abs. ethanol, gl. acetic acid and ethanol-piperidine media.These reactions result in some new 3-(3',5'-disubstituted pyrazol-1'-yl)-5,6-diphenyl-1,2,4-triazines.Some of these compounds show moderate antimicrobial activity.

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