186819-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186819-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,8,1 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 186819-72:
(8*1)+(7*8)+(6*6)+(5*8)+(4*1)+(3*9)+(2*7)+(1*2)=187
187 % 10 = 7
So 186819-72-7 is a valid CAS Registry Number.