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3-(4-chlorophenyl)-2,8,8-trimethyl-6,7,8,9-tetrahydropyrazolo[1,5-a]quinazolin-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

431998-63-9

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431998-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 431998-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,9,9 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 431998-63:
(8*4)+(7*3)+(6*1)+(5*9)+(4*9)+(3*8)+(2*6)+(1*3)=179
179 % 10 = 9
So 431998-63-9 is a valid CAS Registry Number.

431998-63-9Downstream Products

431998-63-9Relevant academic research and scientific papers

α-Amino azoles in the synthesis of heterocycles: VI. Synthesis and structure of cycloalkane-annulated pyrazolo[1,5-a]pyrimidines

Petrov,Kasatochkin,Emelina,Nelyubina, Yu. V.,Antipin, M. Yu.

experimental part, p. 1390 - 1401 (2010/01/11)

Reactions of 4-aryl-1H-pyrazol-5(3)-amines with 2-acylcycloakanones and 2-acyl-5,5-dimethylcyclohexane-1,3-diones led to the formation of regioisomeric 6,7,8,9-tetrahydropyrazolo[1,5-a]quinazoline, 5,6,7,8-tetrahydropyrazolo[5,1-b] quinazoline, and 7,8-di

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