19886-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19886-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,8 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19886-84:
(7*1)+(6*9)+(5*8)+(4*8)+(3*6)+(2*8)+(1*4)=171
171 % 10 = 1
So 19886-84-1 is a valid CAS Registry Number.