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3-methyl-isoxazole-4,5-dione 4-[(3,4-dichloro-phenyl)-hydrazone] is a complex organic compound with the chemical formula C10H5Cl2N3O2. It is a derivative of isoxazole-4,5-dione, featuring a methyl group at the 3-position and a hydrazone group at the 4-position, which is attached to a 3,4-dichlorophenyl ring. 3-methyl-isoxazole-4,5-dione 4-[(3,4-dichloro-phenyl)-hydrazone] is known for its potential applications in chemical research and pharmaceutical development, particularly in the synthesis of various biologically active molecules. Its structure and properties make it a valuable intermediate in the preparation of certain drugs and agrochemicals.

1631-99-8

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1631-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1631-99-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1631-99:
(6*1)+(5*6)+(4*3)+(3*1)+(2*9)+(1*9)=78
78 % 10 = 8
So 1631-99-8 is a valid CAS Registry Number.

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