169901-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169901-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,9,0 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 169901-41:
(8*1)+(7*6)+(6*9)+(5*9)+(4*0)+(3*1)+(2*4)+(1*1)=161
161 % 10 = 1
So 169901-41-1 is a valid CAS Registry Number.