186908-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186908-71-4 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 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 186908-71:
(8*1)+(7*8)+(6*6)+(5*9)+(4*0)+(3*8)+(2*7)+(1*1)=184
184 % 10 = 4
So 186908-71-4 is a valid CAS Registry Number.