76660-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76660-17-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,6 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76660-17:
(7*7)+(6*6)+(5*6)+(4*6)+(3*0)+(2*1)+(1*7)=148
148 % 10 = 8
So 76660-17-8 is a valid CAS Registry Number.