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2-Hydroxy-3,3-dimethyl-1-(4-nitro-phenyl)-4,9-dioxo-2,3,4,9-tetrahydro-1H-cyclopenta[b]naphthalene-1-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

30119-57-4

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30119-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30119-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 30119-57:
(7*3)+(6*0)+(5*1)+(4*1)+(3*9)+(2*5)+(1*7)=74
74 % 10 = 4
So 30119-57-4 is a valid CAS Registry Number.

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