1185303-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185303-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,3,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1185303-20:
(9*1)+(8*1)+(7*8)+(6*5)+(5*3)+(4*0)+(3*3)+(2*2)+(1*0)=131
131 % 10 = 1
So 1185303-20-1 is a valid CAS Registry Number.