76919-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76919-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,1 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76919-76:
(7*7)+(6*6)+(5*9)+(4*1)+(3*9)+(2*7)+(1*6)=181
181 % 10 = 1
So 76919-76-1 is a valid CAS Registry Number.