1183163-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1183163-09-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,3,1,6 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1183163-09:
(9*1)+(8*1)+(7*8)+(6*3)+(5*1)+(4*6)+(3*3)+(2*0)+(1*9)=138
138 % 10 = 8
So 1183163-09-8 is a valid CAS Registry Number.