Cas 53501-23-8,1-(2-Hydroxy-phenyl)-3-(3-nitro-benzoyl)-thiourea

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Check Digit Verification of cas no

The CAS Registry Mumber 53501-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,5,0 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53501-23:
(7*5)+(6*3)+(5*5)+(4*0)+(3*1)+(2*2)+(1*3)=88
88 % 10 = 8
So 53501-23-8 is a valid CAS Registry Number.

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53501-23-8Relevant academic research and scientific papers

Synthesis of n-aroyl-n'-hydroxyethyl (hydroxyphenyl)thiourea derivatives under the condition of phase transfer catalysis

Wei, Taibao,Zhang, Youming

, p. 2851 - 2859 (1998)

Reaction of aminoethanol or aminophenol with aroyl chloride and ammonium thiocyanate under the condition of solid-liquid phase transfer catalysis using polyethylene glycol-600 (PEG-600) as the catalyst yielded N-aroyl-N'- hydroxyethyl(hydroxy phenyl)thiou

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