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3,4-diamino-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75574-91-3

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75574-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75574-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75574-91:
(7*7)+(6*5)+(5*5)+(4*7)+(3*4)+(2*9)+(1*1)=163
163 % 10 = 3
So 75574-91-3 is a valid CAS Registry Number.

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