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3-(p-tolyl)-3,4,7,8-tetrahydro-2H-chromene-2,5(6H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1259927-63-3

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1259927-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259927-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,9,2 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1259927-63:
(9*1)+(8*2)+(7*5)+(6*9)+(5*9)+(4*2)+(3*7)+(2*6)+(1*3)=203
203 % 10 = 3
So 1259927-63-3 is a valid CAS Registry Number.

1259927-63-3Downstream Products

1259927-63-3Relevant academic research and scientific papers

Palladium-catalyzed [3+2+1] cyclocarbonylative coupling of 1,3-cyclohexanediones, alkynes, and carbon monoxide: An atom-economic route to chromene-2,5-dione derivatives

Wu, Bei,Hua, Ruimao

, p. 6433 - 6435 (2010)

3,4,7,8-Tetrahydro-2H-chromene-2,5(6H)-dione derivatives were efficiently synthesized with excellent selectivity via a [3+2+1] cyclocarbonylative coupling of 1,3-cyclohexanediones, terminal alkynes, and CO catalyzed by Pd(PPh 3)4.

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