1045859-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1045859-81-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,5,8,5 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1045859-81:
(9*1)+(8*0)+(7*4)+(6*5)+(5*8)+(4*5)+(3*9)+(2*8)+(1*1)=171
171 % 10 = 1
So 1045859-81-1 is a valid CAS Registry Number.