186900-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186900-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,9,0 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 186900-74:
(8*1)+(7*8)+(6*6)+(5*9)+(4*0)+(3*0)+(2*7)+(1*4)=163
163 % 10 = 3
So 186900-74-3 is a valid CAS Registry Number.