161974-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161974-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,7 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161974-09:
(8*1)+(7*6)+(6*1)+(5*9)+(4*7)+(3*4)+(2*0)+(1*9)=150
150 % 10 = 0
So 161974-09-0 is a valid CAS Registry Number.