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5,5'-diphenyl-4,4'-bi-1H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

155405-04-2

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155405-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155405-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,4,0 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 155405-04:
(8*1)+(7*5)+(6*5)+(5*4)+(4*0)+(3*5)+(2*0)+(1*4)=112
112 % 10 = 2
So 155405-04-2 is a valid CAS Registry Number.

155405-04-2Relevant academic research and scientific papers

Heterocyclisation en serie benzocycloheptenique: acces a quelques isoxazoles et pyrazoles

El-Youssoufi, Jawad,Lepage, Lucette

, p. 48 - 52 (2007/10/02)

Synthesis of new heterocyclic systems with benzocyclohepten groups.The synthesis of benzocyclohepta-isoxazoles and pyrazoles from 3H-benzocycloheptene-2,4-dicarbaldehyde 3 or 1,5-dihydroxy-3H-benzocycloheptene-2,4-dicarbonitrile 11 is discussed.A convenient synthesis of bispyrazoles is reported via bistosylhydrazones of ethylenic 1,5-dicarboxaldehydes. heterocyclization / ethylenic dialdehyde / tosylhydrazone / benzocycloheptene / naphthocycloheptene / pyrazole / isoxazole

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