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65747-63-9

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65747-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65747-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,7,4 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 65747-63:
(7*6)+(6*5)+(5*7)+(4*4)+(3*7)+(2*6)+(1*3)=159
159 % 10 = 9
So 65747-63-9 is a valid CAS Registry Number.

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