186198-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186198-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,1,9 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 186198-74:
(8*1)+(7*8)+(6*6)+(5*1)+(4*9)+(3*8)+(2*7)+(1*4)=183
183 % 10 = 3
So 186198-74-3 is a valid CAS Registry Number.