76684-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76684-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,8 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76684-77:
(7*7)+(6*6)+(5*6)+(4*8)+(3*4)+(2*7)+(1*7)=180
180 % 10 = 0
So 76684-77-0 is a valid CAS Registry Number.