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3-[2-(2,5-dimethylphenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442567-97-7

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442567-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442567-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,5,6 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 442567-97:
(8*4)+(7*4)+(6*2)+(5*5)+(4*6)+(3*7)+(2*9)+(1*7)=167
167 % 10 = 7
So 442567-97-7 is a valid CAS Registry Number.

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