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5-Methyl-2,2-diphenyl-benzo[b]thiophen-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87558-78-9

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87558-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87558-78-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87558-78:
(7*8)+(6*7)+(5*5)+(4*5)+(3*8)+(2*7)+(1*8)=189
189 % 10 = 9
So 87558-78-9 is a valid CAS Registry Number.

87558-78-9Relevant academic research and scientific papers

SYNTHESIS AND REARRANGEMENT OF DIARYL-HYDROXY-BENZOTHIOPHENS. A NEW SYNTHESIS OF 2,3-DIARYL-BENZOTHIOPHENS

Leardini, Rino,Tundo, Antonio,Zanardi, Giuseppe,Pedulli, Gianfranco

, p. 3381 - 3382 (1983)

The synthesis of some 2-hydroxy-2(H)-3,3-diaryl- and 3-hydroxy-3(H)-2,2-diaryl-benzothiophens (4) and (7) respectively is described; by acidic treatment these compounds readily rearrange to 2,3-diaryl-benzothiophens (5) in almost quantitative yields

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