1184915-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1184915-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,4,9,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1184915-20:
(9*1)+(8*1)+(7*8)+(6*4)+(5*9)+(4*1)+(3*5)+(2*2)+(1*0)=165
165 % 10 = 5
So 1184915-20-5 is a valid CAS Registry Number.