1016541-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016541-42-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,5,4 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1016541-42:
(9*1)+(8*0)+(7*1)+(6*6)+(5*5)+(4*4)+(3*1)+(2*4)+(1*2)=106
106 % 10 = 6
So 1016541-42-6 is a valid CAS Registry Number.