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Isoxazole, 5-methoxy-3-phenyl-4-(phenylazo)-, is a complex organic compound with the molecular formula C18H14N2O2. It is characterized by an isoxazole ring, which is a five-membered ring containing one oxygen atom and one nitrogen atom. The compound features a methoxy group (-OCH3) at the 5-position, a phenyl group (C6H5) at the 3-position, and a phenylazo group (-N=N-C6H5) at the 4-position. This phenylazo group consists of a diazenyl (-N=N-) functional group attached to a phenyl ring, which imparts a deep color to the compound. The compound is known for its potential applications in the synthesis of dyes and pigments, as well as in the development of pharmaceuticals. Its chemical structure and properties make it a versatile building block in organic chemistry, particularly in the creation of compounds with specific optical and electronic properties.

4550-16-7

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4550-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4550-16-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,5 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4550-16:
(6*4)+(5*5)+(4*5)+(3*0)+(2*1)+(1*6)=77
77 % 10 = 7
So 4550-16-7 is a valid CAS Registry Number.
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