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5720-69-4

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5720-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5720-69-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,2 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5720-69:
(6*5)+(5*7)+(4*2)+(3*0)+(2*6)+(1*9)=94
94 % 10 = 4
So 5720-69-4 is a valid CAS Registry Number.
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