1016557-86-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016557-86-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,5,5 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1016557-86:
(9*1)+(8*0)+(7*1)+(6*6)+(5*5)+(4*5)+(3*7)+(2*8)+(1*6)=140
140 % 10 = 0
So 1016557-86-0 is a valid CAS Registry Number.