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disodium 7,7'-[azobis(4,1-phenylenecarbonylimino)]bis[4-hydroxy-3-[[2-hydroxy-5-(methylsulphonyl)phenyl]azo]naphthalene-2-sulphonate] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70210-36-5

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70210-36-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70210-36-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,1 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 70210-36:
(7*7)+(6*0)+(5*2)+(4*1)+(3*0)+(2*3)+(1*6)=75
75 % 10 = 5
So 70210-36-5 is a valid CAS Registry Number.

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