1213166-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213166-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,1,6 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1213166-09:
(9*1)+(8*2)+(7*1)+(6*3)+(5*1)+(4*6)+(3*6)+(2*0)+(1*9)=106
106 % 10 = 6
So 1213166-09-6 is a valid CAS Registry Number.