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3-ethyl-1-methyl-3-(phenylamino)indolin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1335243-24-7

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1335243-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1335243-24-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,5,2,4 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1335243-24:
(9*1)+(8*3)+(7*3)+(6*5)+(5*2)+(4*4)+(3*3)+(2*2)+(1*4)=127
127 % 10 = 7
So 1335243-24-7 is a valid CAS Registry Number.

1335243-24-7Upstream product

1335243-24-7Downstream Products

1335243-24-7Relevant academic research and scientific papers

Trifluoroacetic acid-promoted synthesis of 3-hydroxy, 3-amino and spirooxindoles from α-keto-N-anilides

Gorokhovik, Ioulia,Neuville, Luc,Zhu, Jieping

, p. 5536 - 5539 (2011)

Ketoanilides containing alkyl side chains were readily cyclized to 3-hydroxy-2-oxindoles or spirooxindoles by a single or double intramolecular Friedel-Crafts reaction in the presence of trifluoroacetic acid (TFA) at room temperature or at 45 °C. α-Iminoc

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