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1H,3H-3a,7a-Propanoisobenzofuran-1,3-dione, 5-(4-ethylphenyl)-4,6,7-triphenyl- is a complex organic compound with a molecular formula of C30H22O3. It is characterized by a propanoisobenzofuran-1,3-dione core, which is a type of isobenzofuran with a carbonyl group at both positions 1 and 3. The compound features a 4-ethylphenyl group attached at the 5th position, and three phenyl groups are attached at the 4th, 6th, and 7th positions, respectively. This structure gives the molecule a high degree of aromaticity and complexity. The compound is likely to be used in advanced chemical research or as an intermediate in the synthesis of other complex organic molecules, given its intricate structure and the presence of multiple phenyl rings.

65648-72-8

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65648-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65648-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,4 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 65648-72:
(7*6)+(6*5)+(5*6)+(4*4)+(3*8)+(2*7)+(1*2)=158
158 % 10 = 8
So 65648-72-8 is a valid CAS Registry Number.

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