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Benzenesulfonic acid, 4-[(3-acetyl-4-oxo-1(4H)-cinnolinyl)azo]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143034-01-9

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143034-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143034-01-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,3 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143034-01:
(8*1)+(7*4)+(6*3)+(5*0)+(4*3)+(3*4)+(2*0)+(1*1)=79
79 % 10 = 9
So 143034-01-9 is a valid CAS Registry Number.

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