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Benzenesulfonic acid, 2-[(4-aminophenyl)amino]-5-nitro-, diazotized, coupled with 5,5'-oxybis[1,3-benzenediol], sodium salt is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97675-34-8

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97675-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97675-34-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97675-34:
(7*9)+(6*7)+(5*6)+(4*7)+(3*5)+(2*3)+(1*4)=188
188 % 10 = 8
So 97675-34-8 is a valid CAS Registry Number.

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