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2-<7-chloro-1-(2-chlorophenyl)-3-(diethylamino)-1,2-dihydro-1-hydroxy-2-naphthalenyl>-1H-isoindole-1,3(2H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81389-22-2

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81389-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81389-22-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81389-22:
(7*8)+(6*1)+(5*3)+(4*8)+(3*9)+(2*2)+(1*2)=142
142 % 10 = 2
So 81389-22-2 is a valid CAS Registry Number.

81389-22-2Downstream Products

81389-22-2Relevant academic research and scientific papers

2-Benzazepines. 1. Synthesis of 2-Benzazepin-4-ones and -5-ones via 2-Acetylenic Benzophenones

Trybulski, Eugene J.,Reeder, Earl,Blount, John F.,Walser, Armin,Fryer, R. Ian

, p. 2441 - 2447 (1982)

The preparation of 1-phenyl-2-benzazepin-4-ones and -5-ones is discussed.The palladium-catalyzed coupling of an iodobenzophenone to a monosubstituted acetylene assembles the necessary atoms required for the benzazepine ring.Transformation of the acetylene

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