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2-(1,5-Diphenyl-4,5-dihydro-1H-pyrazol-3-yl)-5-methyl-phenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81819-86-5

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81819-86-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81819-86-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,1 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81819-86:
(7*8)+(6*1)+(5*8)+(4*1)+(3*9)+(2*8)+(1*6)=155
155 % 10 = 5
So 81819-86-5 is a valid CAS Registry Number.

81819-86-5Downstream Products

81819-86-5Relevant academic research and scientific papers

Action of Phenylhydrazine Hydrochloride on Chalkone Dibromides in Dimethylformamide

Joshi, M. G.,Wadodkar, K. N.

, p. 1090 - 1092 (2007/10/02)

Chalkone dibromides (II) when treated with phenylhydrazine hydrochloride in DMF do not give the expected pyrazoles, but afford 3,5-diaryl-1-phenylpyrazolines (III) which are the normal products of chalkones (I) and phenylhydrazine hydrochloride in DMF.

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