76567-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76567-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,6 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76567-17:
(7*7)+(6*6)+(5*5)+(4*6)+(3*7)+(2*1)+(1*7)=164
164 % 10 = 4
So 76567-17-4 is a valid CAS Registry Number.