866650-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866650-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,6,5 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 866650-89:
(8*8)+(7*6)+(6*6)+(5*6)+(4*5)+(3*0)+(2*8)+(1*9)=217
217 % 10 = 7
So 866650-89-7 is a valid CAS Registry Number.