76103-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76103-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,0 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76103-66:
(7*7)+(6*6)+(5*1)+(4*0)+(3*3)+(2*6)+(1*6)=117
117 % 10 = 7
So 76103-66-7 is a valid CAS Registry Number.