1185103-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185103-91-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,1,0 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1185103-91:
(9*1)+(8*1)+(7*8)+(6*5)+(5*1)+(4*0)+(3*3)+(2*9)+(1*1)=136
136 % 10 = 6
So 1185103-91-6 is a valid CAS Registry Number.