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2,4-dihydroxy-5-phenylazo-benzaldehyde is an organic compound characterized by its molecular formula C19H14N2O4. This azo compound features a benzaldehyde group, which is a derivative of benzene with an aldehyde functional group, and a phenylazo group, which is a phenyl ring connected to a nitrogen atom. The molecule also contains two hydroxyl groups attached to the 2nd and 4th carbon atoms of the benzene ring. This chemical is known for its vibrant color and is often used in the synthesis of dyes and pigments due to its ability to absorb light in the visible spectrum. Its unique structure also makes it a subject of interest in chemical research, particularly in the fields of organic synthesis and materials science.

6468-27-5

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6468-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6468-27-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,6 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6468-27:
(6*6)+(5*4)+(4*6)+(3*8)+(2*2)+(1*7)=115
115 % 10 = 5
So 6468-27-5 is a valid CAS Registry Number.

6468-27-5Relevant academic research and scientific papers

Synthesis of substituted arylazobenzopyranopyrido-pyrimidine ring by condensation of malononitrile, 4-hydroxy-5-arylazo salicyl-aldehyde and ketones by means of ammonium acetate

Fadda,Etman,El-Desoky,Bondock

, p. 191 - 194 (2007/10/03)

Several new arylazo coumarinimide (4a-e) and/or benzopyrano[2,3- d]pyridopyrimidine (8a,9a,b) were prepared by the direct condensation malononitrile with 5-arylazo-4-hydroxysalicylaldehyde and ketones in the presence of ammonium acetate.

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