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4066-85-7

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4066-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4066-85-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,6 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4066-85:
(6*4)+(5*0)+(4*6)+(3*6)+(2*8)+(1*5)=87
87 % 10 = 7
So 4066-85-7 is a valid CAS Registry Number.

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