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NAPHTHALENESULFONIC ACID, POLYMER WITH FORMALDEHYDE, POTASSIUM SALT is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

9069-79-8

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9069-79-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 9069-79-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,6 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 9069-79:
(6*9)+(5*0)+(4*6)+(3*9)+(2*7)+(1*9)=128
128 % 10 = 8
So 9069-79-8 is a valid CAS Registry Number.

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