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9-(1',2'-dibenzoylethylidene)-4-azafluorene hydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

148711-80-2

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148711-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148711-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,7,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148711-80:
(8*1)+(7*4)+(6*8)+(5*7)+(4*1)+(3*1)+(2*8)+(1*0)=142
142 % 10 = 2
So 148711-80-2 is a valid CAS Registry Number.

148711-80-2Relevant academic research and scientific papers

CONDENSATION OF 4-AZAFLUORENONE AND 9-PHENACYLIDENE-4-AZAFLUORENONE WITH ACETOPHENONE. SYNTHESIS OF 3'-OXO-spiro-

Prostakov, N. S.,Makuli, Mikhalis,Mikhailova, N. M.,Sergeeva, N. D.,Obynochnyi, A. A.

, p. 1024 - 1027 (1988)

Condensation of 4-azafluorenone and 9-phenacylidene-4-azafluorenone with acetophenone leads to the formation of 9,9-diphenacyl-4-azafluorene and 9-(1',2'-dibenzoylethylidene)-4-azafluorene.The structures of these products were confirmed based on their spectral and chemical data.The conversion of 9,9-diphenacyl-4-azafluorene to 3'-oxo-spiro- represents a novel method for the preparation of this heterocycle.

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