166901-10-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166901-10-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,0 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 166901-10:
(8*1)+(7*6)+(6*6)+(5*9)+(4*0)+(3*1)+(2*1)+(1*0)=136
136 % 10 = 6
So 166901-10-6 is a valid CAS Registry Number.