76909-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76909-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76909-97:
(7*7)+(6*6)+(5*9)+(4*0)+(3*9)+(2*9)+(1*7)=182
182 % 10 = 2
So 76909-97-2 is a valid CAS Registry Number.