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6-(p-methoxyphenyl)-3-oxo-4-phenyl-3,3a,4,5-tetrahydro-2H-benzopyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84725-19-9

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84725-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84725-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,2 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84725-19:
(7*8)+(6*4)+(5*7)+(4*2)+(3*5)+(2*1)+(1*9)=149
149 % 10 = 9
So 84725-19-9 is a valid CAS Registry Number.

84725-19-9Relevant academic research and scientific papers

Studies in Antifertility Agents: Part XXXVII--Synthesis of 3-Aryl-5-phenylcyclohex-2-en-1-ones and 4,6-Diphenyl-2,3-disubstituted-benzopyrazoles

Prasad, Mohan,Rastogi, Shri Nivas

, p. 747 - 749 (2007/10/02)

Condensation of methyl acetoacetate with 4'-methoxychalkone (1) gives 6-carbomethoxy-3-(p-methoxyphenyl)-5-phenylcyclohex-2-en-1-one (2) which on reaction with hydrazine hydrate and phenylhydrazine yields 3-oxo-4,6-diphenyl-3,3a,4,5-tetrahydrobenzopyrazoles (3 and 4).Treatment of 2 with aq.H2SO4-AcOH results in decarboxylation to yield the corresponding cyclohexenone (6) which on KBH4 reduction gives cyclohexen-1-ol (7).Acetylation of 3 and 7 gives the respective acetates (5 and 7).Demethylation of 6 affords the corresponding 3-(p-hydroxyphenyl) derivative (9) which on treatment with 1-(β-chloroethyl)pyrrolidine furnishes the desired compound, 3--5-phenylcyclohex-2-en-1-one (10).None of the compounds prevents pregnancy in female albino rats at 10 mg/kg dose.

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