1018663-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1018663-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,8,6,6 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1018663-09:
(9*1)+(8*0)+(7*1)+(6*8)+(5*6)+(4*6)+(3*3)+(2*0)+(1*9)=136
136 % 10 = 6
So 1018663-09-6 is a valid CAS Registry Number.