65976-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65976-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,7 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65976-64:
(7*6)+(6*5)+(5*9)+(4*7)+(3*6)+(2*6)+(1*4)=179
179 % 10 = 9
So 65976-64-9 is a valid CAS Registry Number.