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2700-40-5

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2700-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2700-40-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,0 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2700-40:
(6*2)+(5*7)+(4*0)+(3*0)+(2*4)+(1*0)=55
55 % 10 = 5
So 2700-40-5 is a valid CAS Registry Number.

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