Cas 1093116-89-2,4,5-dihydro-5-hydroxy-3-phenyl-5-(thiophen-2-yl)pyrazole-1-carbothioamide

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Check Digit Verification of cas no

The CAS Registry Mumber 1093116-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,3,1,1 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1093116-89:
(9*1)+(8*0)+(7*9)+(6*3)+(5*1)+(4*1)+(3*6)+(2*8)+(1*9)=142
142 % 10 = 2
So 1093116-89-2 is a valid CAS Registry Number.

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1093116-89-2Relevant academic research and scientific papers

Synthesis and characterization of a new series of hydroxy pyrazolines

Parveen, Humaira,Iqbal, Prince Firdoos,Azam, Amir

experimental part, p. 3973 - 3983 (2009/04/11)

3-Phenyl-1-(thiophen-2-yl)prop-2-en-1-one obtained by Claisen-Schmidt condensation of 2-acetyl thiophene with benzaldehyde was converted into 2,3-dibromo-3-phenyl-1-(thiophen-2-yl)propan-1-one, which on treatment with various thiosemicarbazides in the presence of triethylamine in absolute ethanol, yielded the corresponding hydroxy pyrazolines 3a-h. All the compounds were characterized by IR, 1H NMR, and 13C NMR spectra. Copyright Taylor & Francis Group, LLC.

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