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39771-72-7

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39771-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39771-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,7 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39771-72:
(7*3)+(6*9)+(5*7)+(4*7)+(3*1)+(2*7)+(1*2)=157
157 % 10 = 7
So 39771-72-7 is a valid CAS Registry Number.

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