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5-(1-Hydroxy-naphthalen-2-yl)-2,7-bis-(4-methoxy-phenyl)-4-{1-(4-methoxy-phenyl)-5-oxo-4-[1-phenyl-meth-(E)-ylidene]-4,5-dihydro-1H-imidazol-2-yl}-3a,4,7,7a-tetrahydro-isoindole-1,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138793-97-2

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138793-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138793-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,9 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138793-97:
(8*1)+(7*3)+(6*8)+(5*7)+(4*9)+(3*3)+(2*9)+(1*7)=182
182 % 10 = 2
So 138793-97-2 is a valid CAS Registry Number.

138793-97-2Downstream Products

138793-97-2Relevant academic research and scientific papers

Behaviour of a naphthopyranone derivative towards some nitrogen and carbon nucleophiles

Essawy, S A,El-Kady, M Y,Metwally, R N,El-Shenawy, A I

, p. 39 - 43 (2007/10/02)

9-(p-Anisyl)-6a,7,8,9-tetrahydro-6-oxo-6H-benzonaphtholpyran-7,8-dicarboxylic acid (3) has been prepared by cycloaddition of 4-(p-methoxystyryl)-2H-naphtholpyran-2-one (2) with maleic anhydride.The reactions of 3 with amines, phosphorous

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