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3-(3,5-Dichloro-phenyl)-4-hydroxy-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.

129877-75-4

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129877-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129877-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,7 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129877-75:
(8*1)+(7*2)+(6*9)+(5*8)+(4*7)+(3*7)+(2*7)+(1*5)=184
184 % 10 = 4
So 129877-75-4 is a valid CAS Registry Number.

129877-75-4Downstream Products

129877-75-4Relevant 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 (2007/10/02)

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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