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1-amino-4-(4-chloro-anilino)-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.

75313-94-9

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75313-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75313-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,1 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75313-94:
(7*7)+(6*5)+(5*3)+(4*1)+(3*3)+(2*9)+(1*4)=129
129 % 10 = 9
So 75313-94-9 is a valid CAS Registry Number.
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