1616526-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616526-84-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,5,2 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1616526-84:
(9*1)+(8*6)+(7*1)+(6*6)+(5*5)+(4*2)+(3*6)+(2*8)+(1*4)=171
171 % 10 = 1
So 1616526-84-1 is a valid CAS Registry Number.