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1-(2-nitrobenzoyl)-1H-indole-2,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

13220-56-9

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13220-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13220-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13220-56:
(7*1)+(6*3)+(5*2)+(4*2)+(3*0)+(2*5)+(1*6)=59
59 % 10 = 9
So 13220-56-9 is a valid CAS Registry Number.

13220-56-9Upstream product

13220-56-9Downstream Products

13220-56-9Relevant academic research and scientific papers

Transition-Metal Complex-Catalyzed Reductive N-Heterocyclization: Synthesis of 4(3H)-Quinazolinone Derivatives from N-(2-Nitrobenzoyl)amides

Akazome, Motohiro,Kondo, Teruyuki,Watanabe, Yoshihisa

, p. 310 - 312 (1993)

Several ruthenium and platinum complexes smoothly catalyze the reductive N-heterocyclization of N-(2-nitrobenzoyl)amides under carbon monoxide pressure to afford the corresponding 4(3H)-quinazolinone derivatives, including some quinazolinone alkaloids, in

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