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"4-{[5-(4-nitrophenyl)-1H-1,2,4-triazol-3-yl]hydrazono}cyclohexa-2,5-dien-1-one" is a complex organic compound with a molecular formula of C15H11N5O3. It features a cyclohexa-2,5-dien-1-one core, which is a six-membered ring with two double bonds, and a 1,2,4-triazole group attached to it. The 1,2,4-triazole ring is substituted with a hydrazono group and a 4-nitrophenyl group, indicating the presence of a nitro group on the phenyl ring. 4-{[5-(4-nitrophenyl)-1H-1,2,4-triazol-3-yl]hydrazono}cyclohexa-2,5-dien-1-one is likely to be used in chemical research or as an intermediate in the synthesis of other compounds due to its unique structure and functional groups.

5657-02-3

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5657-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5657-02-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,5 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5657-02:
(6*5)+(5*6)+(4*5)+(3*7)+(2*0)+(1*2)=103
103 % 10 = 3
So 5657-02-3 is a valid CAS Registry Number.

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