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2,4-bis-(4-diethylamino-phenyl)-3-hydroxy-cyclobut-2-enone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

952495-09-9

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952495-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 952495-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,2,4,9 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 952495-09:
(8*9)+(7*5)+(6*2)+(5*4)+(4*9)+(3*5)+(2*0)+(1*9)=199
199 % 10 = 9
So 952495-09-9 is a valid CAS Registry Number.

952495-09-9Upstream product

952495-09-9Relevant academic research and scientific papers

Facile preparative redox chemistry of bis(4-dialkylaminophenyl)squaraine dyes

Griffiths, John,Park, Sooyoul

, p. 7669 - 7671 (2002)

Bis(4-dialkylaminophenyl)squaraine dyes are readily reduced in solution by borohydride to give alkali soluble leuco compounds, which exist in the 3-hydroxy-2,4-(4-dialkylaminophenyl)cyclobutenone tautomeric form. The leuco dyes can be oxidised rapidly back to the squaraine dye, thus providing a means of temporarily solubilising the squaraine dye in water. The leuco compounds undergo substitution reactions typical of vinylogous carboxylic acids.

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