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170020-61-8

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  • 5-(2,4-Dichlorobenzamido)-3-[2-[4-[2-[8-(2,3-dichlorobenzamido)-1-oxo-3,6-disulfo-2(1H)-naphthalenylidene]hydrazino]-2,5-dimethoxyphenyl]hydrazono]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid tet

    Cas No: 170020-61-8

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170020-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170020-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,0,2 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 170020-61:
(8*1)+(7*7)+(6*0)+(5*0)+(4*2)+(3*0)+(2*6)+(1*1)=78
78 % 10 = 8
So 170020-61-8 is a valid CAS Registry Number.

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