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3-Diethylamino-4-(4-nitro-phenyl)-cyclobut-3-ene-1,2-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

129853-25-4

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129853-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129853-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,5 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129853-25:
(8*1)+(7*2)+(6*9)+(5*8)+(4*5)+(3*3)+(2*2)+(1*5)=154
154 % 10 = 4
So 129853-25-4 is a valid CAS Registry Number.

129853-25-4Downstream Products

129853-25-4Relevant academic research and scientific papers

Oxocarbons and Related Compounds; Part 15. Meerwein-Arylation of Semisquaric Acid and Semisquaric Amides. A General Method for the Preparation of 3-Aryl-4-hydroxy- and 3-Amino-4-aryl-3-cyclobutene-1,2-diones.

Schmidt, Arthur H.,Schmitt, Guenter,Diedrich, Heike

, p. 579 - 582 (1990)

Meerwein-arylation of semisquaric acid (1) and semisquaric amides 4 has been found to afford general routes to 3-aryl-4-hydroxy-3-cyclobutene-1,2-diones 3 and 3-amino-4-aryl-3-cyclobutene-1,2-diones 5 respectively.

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