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3,4-diamino-naphthalene-2-sulfonic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

875223-10-2

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875223-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 875223-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,2,2 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 875223-10:
(8*8)+(7*7)+(6*5)+(5*2)+(4*2)+(3*3)+(2*1)+(1*0)=172
172 % 10 = 2
So 875223-10-2 is a valid CAS Registry Number.

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