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75757-64-1

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75757-64-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75757-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,5 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75757-64:
(7*7)+(6*5)+(5*7)+(4*5)+(3*7)+(2*6)+(1*4)=171
171 % 10 = 1
So 75757-64-1 is a valid CAS Registry Number.

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