1181635-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1181635-13-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,6,3 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1181635-13:
(9*1)+(8*1)+(7*8)+(6*1)+(5*6)+(4*3)+(3*5)+(2*1)+(1*3)=141
141 % 10 = 1
So 1181635-13-1 is a valid CAS Registry Number.