86646-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86646-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,4 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86646-69:
(7*8)+(6*6)+(5*6)+(4*4)+(3*6)+(2*6)+(1*9)=177
177 % 10 = 7
So 86646-69-7 is a valid CAS Registry Number.