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(±)-3H,3'H-spiro[benzofuran-2,1'-isobenzofuran]-3,3'-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80716-35-4

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80716-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80716-35-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,1 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80716-35:
(7*8)+(6*0)+(5*7)+(4*1)+(3*6)+(2*3)+(1*5)=124
124 % 10 = 4
So 80716-35-4 is a valid CAS Registry Number.

80716-35-4Downstream Products

80716-35-4Relevant academic research and scientific papers

The synthesis of wrightiadione via directed remote metalation

Thasana, Nopporm,Ruchirawat, Somsak

, p. 1037 - 1039 (2007/10/03)

The application of directed remote metalation (DreM) and electrophilic substitution is reported for the synthesis of wrightiadione using N,N-diethylcarboxamide as a directed metalation group (DMG) and electrophilic group. The lithiation of N,N-diethylisoflavone-2′-carboxamide with LDA gave a carbanion at C-2 which further cyclized to wrightiadione.

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