106966-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106966-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,6 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106966-21:
(8*1)+(7*0)+(6*6)+(5*9)+(4*6)+(3*6)+(2*2)+(1*1)=136
136 % 10 = 6
So 106966-21-6 is a valid CAS Registry Number.